# Pratt & Whitney R-985 series

- Type: Engine model (FAA registry)
- Registry code: 52008
- Manufacturer (registry): P&W
- Model: R-985 SERIES
- Engine type: Reciprocating
- Power: 450 hp
- Installed in: 1,593 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-r-985-series

The registry names only the engine series, so ADs for every model in the series are matched.

## ADs that may apply (OpenAirDocs)

Matched to this engine model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft (1,593, first 50)

- [N1000R](https://openairdocs.org/aircraft/N1000R): [Sterling Foundation](https://openairdocs.org/faa-owner/STERLING%20FOUNDATION), [Valparaiso, IN](https://openairdocs.org/faa-place/IN/Valparaiso), S/N 1732
- [N1001](https://openairdocs.org/aircraft/N1001): [Hokuf Erik L](https://openairdocs.org/faa-owner/HOKUF%20ERIK%20L), [Bemidji, MN](https://openairdocs.org/faa-place/MN/Bemidji), built 1947, S/N 980
- [N10025](https://openairdocs.org/aircraft/N10025): [Trade Ayer Inc](https://openairdocs.org/faa-owner/TRADE%20AYER%20INC), [Linden, NJ](https://openairdocs.org/faa-place/NJ/Linden), built 1957, S/N 165, Registration revoked
- [N100JT](https://openairdocs.org/aircraft/N100JT): [Turrell Trading Co](https://openairdocs.org/faa-owner/TURRELL%20TRADING%20CO), [Flagstaff, AZ](https://openairdocs.org/faa-place/AZ/Flagstaff), S/N 1224
- [N1018A](https://openairdocs.org/aircraft/N1018A): [Blue Aircraft LLC](https://openairdocs.org/faa-owner/BLUE%20AIRCRAFT%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1951, S/N 178
- [N1018D](https://openairdocs.org/aircraft/N1018D): [Bristol Bay Mission Lodge LLC](https://openairdocs.org/faa-owner/BRISTOL%20BAY%20MISSION%20LODGE%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1952, S/N 293
- [N1018F](https://openairdocs.org/aircraft/N1018F): [Lind Leasing LLC](https://openairdocs.org/faa-owner/LIND%20LEASING%20LLC), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1954, S/N 710
- [N1018P](https://openairdocs.org/aircraft/N1018P): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 1957, S/N 1133
- [N1018U](https://openairdocs.org/aircraft/N1018U): [Island Wings Air Service LLC](https://openairdocs.org/faa-owner/ISLAND%20WINGS%20AIR%20SERVICE%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1959, S/N 1381
- [N1019N](https://openairdocs.org/aircraft/N1019N): [Yonge Lawrence W Jr Trustee](https://openairdocs.org/faa-owner/YONGE%20LAWRENCE%20W%20JR%20TRUSTEE), [Ocklawaha, FL](https://openairdocs.org/faa-place/FL/Ocklawaha), built 1946, S/N B-30
- [N10202](https://openairdocs.org/aircraft/N10202): [Tall Towers Ag Service Inc](https://openairdocs.org/faa-owner/TALL%20TOWERS%20AG%20SERVICE%20INC), [Page, ND](https://openairdocs.org/faa-place/ND/Page), S/N 1
- [N10210](https://openairdocs.org/aircraft/N10210): [Mid Continent Aircraft Corp](https://openairdocs.org/faa-owner/MID%20CONTINENT%20AIRCRAFT%20CORP), [Hayti, MO](https://openairdocs.org/faa-place/MO/Hayti), built 1939, S/N 10
- [N10211](https://openairdocs.org/aircraft/N10211): [Valley Air Service Ltd](https://openairdocs.org/faa-owner/VALLEY%20AIR%20SERVICE%20LTD), [Colusa, CA](https://openairdocs.org/faa-place/CA/Colusa), built 1959, S/N 11
- [N10215](https://openairdocs.org/aircraft/N10215): [Trissell Flying Service Inc](https://openairdocs.org/faa-owner/TRISSELL%20FLYING%20SERVICE%20INC), [Clarksville, TX](https://openairdocs.org/faa-place/TX/Clarksville), built 1960, S/N 15
- [N10247](https://openairdocs.org/aircraft/N10247): [Ferrspray Aerial Application LLC](https://openairdocs.org/faa-owner/FERRSPRAY%20AERIAL%20APPLICATION%20LLC), [Marengo, IL](https://openairdocs.org/faa-place/IL/Marengo), built 1960, S/N 47
- [N10286](https://openairdocs.org/aircraft/N10286): [Flying D Farm Inc](https://openairdocs.org/faa-owner/FLYING%20D%20FARM%20INC), [Kerhonkson, NY](https://openairdocs.org/faa-place/NY/Kerhonkson), built 1961, S/N 86
- [N10287](https://openairdocs.org/aircraft/N10287): [Ripley James Jefferson III](https://openairdocs.org/faa-owner/RIPLEY%20JAMES%20JEFFERSON%20III), [Frederick, OK](https://openairdocs.org/faa-place/OK/Frederick), S/N 87
- [N102SA](https://openairdocs.org/aircraft/N102SA): [Kestrel Inc](https://openairdocs.org/faa-owner/KESTREL%20INC), [West Des Moines, IA](https://openairdocs.org/faa-place/IA/West%20Des%20Moines), built 1959, S/N BA-441
- [N102SY](https://openairdocs.org/aircraft/N102SY): [Elijah Air LLC](https://openairdocs.org/faa-owner/ELIJAH%20AIR%20LLC), [Bethel, AK](https://openairdocs.org/faa-place/AK/Bethel), built 1959, S/N 1367
- [N1030](https://openairdocs.org/aircraft/N1030): [Coffelt Kelly L](https://openairdocs.org/faa-owner/COFFELT%20KELLY%20L), [Bend, OR](https://openairdocs.org/faa-place/OR/Bend), built 1940, S/N 409
- [N10349](https://openairdocs.org/aircraft/N10349): [Caldwell Bob](https://openairdocs.org/faa-owner/CALDWELL%20BOB), [Columbus, MS](https://openairdocs.org/faa-place/MS/Columbus), S/N 1302
- [N10395](https://openairdocs.org/aircraft/N10395): [Flyways North LLC](https://openairdocs.org/faa-owner/FLYWAYS%20NORTH%20LLC), [Burnsville, MN](https://openairdocs.org/faa-place/MN/Burnsville), built 1959, S/N 1354
- [N103G](https://openairdocs.org/aircraft/N103G): [Clifford Michael P](https://openairdocs.org/faa-owner/CLIFFORD%20MICHAEL%20P), [Paris, TX](https://openairdocs.org/faa-place/TX/Paris), built 1950, S/N A533
- [N103JB](https://openairdocs.org/aircraft/N103JB): [Rainbow River Lodge Aviation LLC](https://openairdocs.org/faa-owner/RAINBOW%20RIVER%20LODGE%20AVIATION%20LLC), [Sandy, UT](https://openairdocs.org/faa-place/UT/Sandy), built 1959, S/N 1344
- [N103TE](https://openairdocs.org/aircraft/N103TE): [Evergreen Resources Inc](https://openairdocs.org/faa-owner/EVERGREEN%20RESOURCES%20INC), [Intl Falls, MN](https://openairdocs.org/faa-place/MN/Intl%20Falls), S/N 1441
- [N104WB](https://openairdocs.org/aircraft/N104WB): [Hainline Charles](https://openairdocs.org/faa-owner/HAINLINE%20CHARLES), [Pearland, TX](https://openairdocs.org/faa-place/TX/Pearland), built 1952, S/N 52-6109
- [N1053](https://openairdocs.org/aircraft/N1053): [Lunenschloss Mike](https://openairdocs.org/faa-owner/LUNENSCHLOSS%20MIKE), [Anchor Point, AK](https://openairdocs.org/faa-place/AK/Anchor%20Point), built 1954, S/N 676
- [N1066N](https://openairdocs.org/aircraft/N1066N): [Smith Fane S](https://openairdocs.org/faa-owner/SMITH%20FANE%20S), [Newport Beach, CA](https://openairdocs.org/faa-place/CA/Newport%20Beach), S/N 75-5293
- [N106GG](https://openairdocs.org/aircraft/N106GG): [Grubb Gary G](https://openairdocs.org/faa-owner/GRUBB%20GARY%20G), [Kingfisher, OK](https://openairdocs.org/faa-place/OK/Kingfisher), built 1943, S/N 760
- [N1074N](https://openairdocs.org/aircraft/N1074N): [Rare Aircraft Ltd](https://openairdocs.org/faa-owner/RARE%20AIRCRAFT%20LTD), [Faribault, MN](https://openairdocs.org/faa-place/MN/Faribault), built 1942, S/N 75-5807
- [N107B](https://openairdocs.org/aircraft/N107B): [Komro International LLC](https://openairdocs.org/faa-owner/KOMRO%20INTERNATIONAL%20LLC), [Durand, WI](https://openairdocs.org/faa-place/WI/Durand), built 1958, S/N 1220
- [N108KS](https://openairdocs.org/aircraft/N108KS): [Northern Waters LLC](https://openairdocs.org/faa-owner/NORTHERN%20WATERS%20LLC), [Livingston, MT](https://openairdocs.org/faa-place/MT/Livingston), built 1951, S/N 428
- [N109EJ](https://openairdocs.org/aircraft/N109EJ): [Leblanc Vial J III](https://openairdocs.org/faa-owner/LEBLANC%20VIAL%20J%20III), [Loranger, LA](https://openairdocs.org/faa-place/LA/Loranger), built 1959, S/N 1323
- [N109KS](https://openairdocs.org/aircraft/N109KS): [Rs Specialties LLC](https://openairdocs.org/faa-owner/RS%20SPECIALTIES%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1957, S/N 1295
- [N109WA](https://openairdocs.org/aircraft/N109WA): [Gillaspie Terry Hart](https://openairdocs.org/faa-owner/GILLASPIE%20TERRY%20HART), [Huntsville, TX](https://openairdocs.org/faa-place/TX/Huntsville), built 1944, S/N 75-5484
- [N10JX](https://openairdocs.org/aircraft/N10JX): [Wennen Erik J](https://openairdocs.org/faa-owner/WENNEN%20ERIK%20J), [Fairbanks, AK](https://openairdocs.org/faa-place/AK/Fairbanks), built 1956, S/N 1036
- [N1101](https://openairdocs.org/aircraft/N1101): [Berry Machine & Tool Co Inc](https://openairdocs.org/faa-owner/BERRY%20MACHINE%20%26%20TOOL%20CO%20INC), [Camden, TN](https://openairdocs.org/faa-place/TN/Camden), built 1944, S/N 1761
- [N1108Q](https://openairdocs.org/aircraft/N1108Q): [Lake Clark Holdings LLC](https://openairdocs.org/faa-owner/LAKE%20CLARK%20HOLDINGS%20LLC), [Port Alsworth, AK](https://openairdocs.org/faa-place/AK/Port%20Alsworth), built 1952, S/N 416
- [N110N](https://openairdocs.org/aircraft/N110N): [Lexthistle Enterprises LLC](https://openairdocs.org/faa-owner/LEXTHISTLE%20ENTERPRISES%20LLC), [Sunset, LA](https://openairdocs.org/faa-place/LA/Sunset), built 2004, S/N GA-LH-007
- [N1112M](https://openairdocs.org/aircraft/N1112M): [Hanusin John J](https://openairdocs.org/faa-owner/HANUSIN%20JOHN%20J), [Huntley, IL](https://openairdocs.org/faa-place/IL/Huntley), built 1954, S/N 6684
- [N1117F](https://openairdocs.org/aircraft/N1117F): [Island Wings Air Service LLC](https://openairdocs.org/faa-owner/ISLAND%20WINGS%20AIR%20SERVICE%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1958, S/N 1369
- [N1137N](https://openairdocs.org/aircraft/N1137N): [Hawke Ag Aviation Inc](https://openairdocs.org/faa-owner/HAWKE%20AG%20AVIATION%20INC), [Oakdale, CA](https://openairdocs.org/faa-place/CA/Oakdale), built 1942, S/N 75-5336
- [N1138V](https://openairdocs.org/aircraft/N1138V): [Lindbergh-Fenton Jesse J](https://openairdocs.org/faa-owner/LINDBERGH-FENTON%20JESSE%20J), [Shelton, WA](https://openairdocs.org/faa-place/WA/Shelton), S/N 287
- [N113CB](https://openairdocs.org/aircraft/N113CB): [C And P Aviation Inc](https://openairdocs.org/faa-owner/C%20AND%20P%20AVIATION%20INC), [Blaine, MN](https://openairdocs.org/faa-place/MN/Blaine), built 1961, S/N 1491
- [N113Q](https://openairdocs.org/aircraft/N113Q): [Shore Brian R](https://openairdocs.org/faa-owner/SHORE%20BRIAN%20R), [Carmichael, CA](https://openairdocs.org/faa-place/CA/Carmichael), built 1943, S/N 4815
- [N1140](https://openairdocs.org/aircraft/N1140): [Beechboys Aviation LLC](https://openairdocs.org/faa-owner/BEECHBOYS%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1946, S/N A-129
- [N1142N](https://openairdocs.org/aircraft/N1142N): [Tobin Lawrence F](https://openairdocs.org/faa-owner/TOBIN%20LAWRENCE%20F), [Spokane, WA](https://openairdocs.org/faa-place/WA/Spokane), built 1942, S/N 75-3409
- [N1149V](https://openairdocs.org/aircraft/N1149V): [Walker Charles T](https://openairdocs.org/faa-owner/WALKER%20CHARLES%20T), [Canton, TX](https://openairdocs.org/faa-place/TX/Canton), built 1943, S/N 924
- [N114GH](https://openairdocs.org/aircraft/N114GH): [Sea Air Ventures LLC](https://openairdocs.org/faa-owner/SEA%20AIR%20VENTURES%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1954, S/N 380
- [N1153N](https://openairdocs.org/aircraft/N1153N): [Lock Robert A](https://openairdocs.org/faa-owner/LOCK%20ROBERT%20A), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland), S/N 75-675

All 1,593: https://openairdocs.org/engine/pratt-whitney-r-985-series/aircraft.md

## NTSB investigations (1,871, newest 50)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA26FA341](https://openairdocs.org/ntsb/ERA26FA341), Sep 17, 2026: Weatherly 620 (N20003), Lynchburg, SC, substantial damage, 1 fatal, investigation ongoing
- [NTSB ANC26LA086](https://openairdocs.org/ntsb/ANC26LA086), Aug 7, 2026: Dehavilland DHC-2 (N62230), Igiugig, AK, substantial damage, investigation ongoing
- [NTSB ERA26LA224](https://openairdocs.org/ntsb/ERA26LA224), May 29, 2026: Boeing E75 (N181RF), Dresden, OH, substantial damage, investigation ongoing
- [NTSB WPR26LA138](https://openairdocs.org/ntsb/WPR26LA138), Mar 21, 2026: Boeing A75N1 (N5045V), Mesa, AZ, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing rollout, which resulted in a ground loop.
- [NTSB ANC25LA085](https://openairdocs.org/ntsb/ANC25LA085), Aug 9, 2025: Dehavilland DHC-2 MK 1 (N232KT), Soldotna, AK, substantial damage. Probable cause: The pilot’s failure to maintain clearance from rising terrain while maneuvering at low altitude.
- [NTSB CEN25LA286](https://openairdocs.org/ntsb/CEN25LA286), Jul 23, 2025: Weatherly 620B (N2032J), Rushmore, MN, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a tree during low-level maneuvering.
- [NTSB ERA25LA276](https://openairdocs.org/ntsb/ERA25LA276), Jul 22, 2025: Howard DGA-15P (N67722), Farmingdale, NY, substantial damage. Probable cause: The pilot’s failure to maintain directional control of the airplane while landing in a crosswind.
- [NTSB ANC25LA074](https://openairdocs.org/ntsb/ANC25LA074), Jul 11, 2025: Dehavilland Beaver DHC-2 MK.1 (N109KS), Nelson Lagoon, AK, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a creek bank while maneuvering to land.
- [NTSB ANC25LA068](https://openairdocs.org/ntsb/ANC25LA068), Jul 6, 2025: Dehavilland Beaver DHC-2 MK.1 (N67251), Kokhanok, AK, substantial damage. Probable cause: The pilot’s failure to attain a proper touchdown point during landing which resulted in a hard landing.
- [NTSB CEN25LA231](https://openairdocs.org/ntsb/CEN25LA231), Jul 1, 2025: Grumman Acft ENG Cor-Schweizer G-164B (N8834H), Lockport, LA, substantial damage. Probable cause: The pilot’s inadequate planning for the high density altitude conditions which resulted in reduced airplane performance, climb capability, and subsequent forced landing.
- [NTSB WPR25LA165](https://openairdocs.org/ntsb/WPR25LA165), May 30, 2025: Weatherly 620B (N90393), Lewiston, MT, substantial damage. Probable cause: The pilot’s failure to maintain clearance from terrain while maneuvering at a low altitude.
- [NTSB ERA25LA047](https://openairdocs.org/ntsb/ERA25LA047), Nov 18, 2024: Boeing A75N1(PT17) (N55464), Huntington, WV, substantial damage. Probable cause: The pilot’s failure to utilize carburetor heat while operating the engine at low power and in conditions conducive to the formation of carburetor ice, which resulted in a total loss of engine power…
- [NTSB ERA25LA004](https://openairdocs.org/ntsb/ERA25LA004), Oct 7, 2024: Grumman Acft ENG Cor-Schweizer G-164A (N8957H), Parsonsburg, MD, substantial damage. Probable cause: A total loss of engine power for reasons that were not determined.
- [NTSB GAA24WA276](https://openairdocs.org/ntsb/GAA24WA276), Aug 30, 2024: Boeing E75 (N4712V), Frohngau, Germany, substantial damage, 1 fatal
- [NTSB ANC24LA073](https://openairdocs.org/ntsb/ANC24LA073), Aug 2, 2024: De Havilland DHC2 (N4444Z), Anchorage, AK, substantial damage. Probable cause: A partial loss of power during takeoff climb for undetermined reasons.
- [NTSB CEN24LA257](https://openairdocs.org/ntsb/CEN24LA257), Jul 8, 2024: Grumman Acft ENG Cor-Schweizer G-164B (N6500K), Sedgwick, AR, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during the spray pass.
- [NTSB ANC24LA060](https://openairdocs.org/ntsb/ANC24LA060), Jul 2, 2024: De Havilland DHC2 (N6LU), Susitna, AK, substantial damage. Probable cause: The pilot’s selection of an unsuitable takeoff area, resulting in the floats contacting the shallow river bottom during takeoff, and a subsequent loss of control.
- [NTSB ANC24LA054](https://openairdocs.org/ntsb/ANC24LA054), Jun 21, 2024: Dehavilland Beaver DHC-2 MK.1 (N55WE), Aleknagik, AK, substantial damage. Probable cause: The pilot’s failure to maintain pitch control of the airplane during initial climb.
- [NTSB ERA24FA266](https://openairdocs.org/ntsb/ERA24FA266), Jun 17, 2024: Lockheed 12 (N2072), Jackson, GA, substantial damage. Probable cause: Maintenance personnel’s failure to properly secure the right brake line, which resulted in a loss of right brake effectiveness during the landing roll and a subsequent runway excursion.
- [NTSB WPR24FA196](https://openairdocs.org/ntsb/WPR24FA196), Jun 15, 2024: Lockheed 12A (N93R), Chino, CA, substantial damage, 2 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during the initial climb, which resulted in an aerodynamic stall at an altitude insufficient for recovery. Contributing to the…
- [NTSB ANC24LA049](https://openairdocs.org/ntsb/ANC24LA049), Jun 11, 2024: Dehavilland Beaver L-20A (DHC-2) (N4957), Port Alsworth, AK, substantial damage. Probable cause: A partial loss of engine power for reasons that could not be determined.
- [NTSB CEN24LA213](https://openairdocs.org/ntsb/CEN24LA213), Jun 7, 2024: Boeing E75 (N768WM), Shuteston, LA, substantial damage. Probable cause: The pilot failure to maintain directional control while landing on a wet grass strip.
- [NTSB ANC24LA037](https://openairdocs.org/ntsb/ANC24LA037), May 28, 2024: Dehavilland Beaver DHC-2 MK.1 (N5343G), Fairbanks, AK, substantial damage. Probable cause: The pilot’s improper fuel management resulting in a loss of engine power due to fuel starvation.
- [NTSB ANC23LA071](https://openairdocs.org/ntsb/ANC23LA071), Sep 5, 2023: Dehavilland DHC-2 (N97EL), King Salmon, AK, minor damage. Probable cause: The failure of both pilots to see and avoid while en route, which resulted in a midair collision.
- [NTSB ANC23LA057](https://openairdocs.org/ntsb/ANC23LA057), Jul 26, 2023: Dehavilland DHC-2 MK. I(L20A) (N6782L), Point Baker, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control during takeoff with a quartering tailwind.
- [NTSB WPR23LA284](https://openairdocs.org/ntsb/WPR23LA284), Jul 22, 2023: Boeing A75N1 (N53132), Red Lodge, MT, substantial damage. Probable cause: The pilot’s loss of directional control during landing with wind gusts, which resulted in a ground loop and collision with a fence.
- [NTSB ANC23LA054](https://openairdocs.org/ntsb/ANC23LA054), Jul 13, 2023: Dehavilland DHC-2 MK. I(L20A) (N302BL), Twin Hills, AK, substantial damage. Probable cause: The pilot’s loss of control during initial climb for reasons that could not be determined.
- [NTSB ANC23LA052](https://openairdocs.org/ntsb/ANC23LA052), Jul 12, 2023: Dehavilland DHC-2 (N814DW), McCarthy, AK, substantial damage. Probable cause: A failure of the right brake caliper bolts during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB CEN23LA232](https://openairdocs.org/ntsb/CEN23LA232), Jun 7, 2023: Grumman Acft ENG Cor-Schweizer G-164B (N48485), Bloomfield, NE, substantial damage. Probable cause: A partial loss of engine power during takeoff for reasons that could not be determined.
- [NTSB CEN23LA212](https://openairdocs.org/ntsb/CEN23LA212), May 29, 2023: Grumman Acft ENG Cor-Schweizer G-164B (N6678Q), Light, AR, substantial damage. Probable cause: The pilot exceeding the climb capability of the airplane during takeoff which led to it settling into the ground.
- [NTSB CEN23LA202](https://openairdocs.org/ntsb/CEN23LA202), May 25, 2023: Grumman Acft ENG Cor-Schweizer G-164B (N6699Q), Wright, LA, substantial damage. Probable cause: The pilot's decision to takeoff with the airplane overloaded which resulted in the airplane settling and subsequently impacting terrain.
- [NTSB ANC23LA030](https://openairdocs.org/ntsb/ANC23LA030), Apr 22, 2023: Dehavilland Beaver DHC-2 MK.1 (N454FU), Soldotna, AK, substantial damage. Probable cause: The pilot’s selection of an unsuitable landing site, which resulted in the main landing gear wheels breaking through the snow and the airplane nosing over.
- [NTSB WPR23LA120](https://openairdocs.org/ntsb/WPR23LA120), Mar 3, 2023: Grumman Acft ENG Cor-Schweizer G-164B (N48492), Vernalis, CA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from a power line during a low-level aerial application flight.
- [NTSB ANC22LA078](https://openairdocs.org/ntsb/ANC22LA078), Sep 19, 2022: Dehavilland DHC-2 (N24BR), Egegik, AK, substantial damage. Probable cause: The pilot’s loss of control during takeoff in gusting wind conditions.
- [NTSB CEN22LA354](https://openairdocs.org/ntsb/CEN22LA354), Aug 1, 2022: Air Tractor AT-301 (N4326S), Lamoni, IA, destroyed. Probable cause: A loss of airplane performance for reasons that could not be determined.
- [NTSB ANC22LA063](https://openairdocs.org/ntsb/ANC22LA063), Jul 26, 2022: De Havilland DHC2 (N9776R), Anchorage, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in the wing exceeding its critical angle of attack, a loss of control and impact with the…
- [NTSB ANC22LA056](https://openairdocs.org/ntsb/ANC22LA056), Jul 15, 2022: Dehavilland Beaver DHC-2 MK.1 (N4040W), Bettles, AK, substantial damage. Probable cause: The pilot's failure to maintain control of the airplane during taxi operations on a riverbank with shallow water.
- [NTSB ANC22LA050](https://openairdocs.org/ntsb/ANC22LA050), Jun 26, 2022: Dehavilland Beaver U-6A (N600NL), Kokhanok, AK, substantial damage. Probable cause: The pilot’s failure to maintain directional control during takeoff in gusting wind conditions which resulted in a loss of control and impact with the water.
- [NTSB WPR21LA349](https://openairdocs.org/ntsb/WPR21LA349), Sep 21, 2021: Beech D17S (N1196V), San Diego / El Cajon, CA, substantial damage. Probable cause: The pilot’s failure to maintain directional control of the airplane during the landing roll with a crosswind, which resulted in a runway excursion and subsequent collision with runway signage.
- [NTSB GAA21WA218](https://openairdocs.org/ntsb/GAA21WA218), Sep 4, 2021: Boeing A75N1(PT17) (N707TJ), Sandbanks, United Kingdom, destroyed
- [NTSB ANC21LA081](https://openairdocs.org/ntsb/ANC21LA081), Aug 21, 2021: Dehavilland DHC-2 MK. I(L20A) (N4334Y), Kodiak, AK, substantial damage. Probable cause: The pilot’s improper landing flare, which resulted in a hard landing and nose over.
- [NTSB CEN21LA333](https://openairdocs.org/ntsb/CEN21LA333), Jul 23, 2021: Boeing E75 (N51CF), Baraboo, WI, substantial damage. Probable cause: The pilot’s failure to maintain clearance from the fence while on final approach.
- [NTSB CEN21LA329](https://openairdocs.org/ntsb/CEN21LA329), Jul 19, 2021: Grumman Acft ENG Cor-Schweizer G-164B (N8422K), Amana, IA, substantial damage. Probable cause: The loss of engine power for reasons that could not be determined.
- [NTSB ANC21LA057](https://openairdocs.org/ntsb/ANC21LA057), Jul 9, 2021: Dehavilland DHC-2-L-20 (N9279Z), Coffman Cove, AK, substantial damage. Probable cause: The pilot’s impact with a buoy on takeoff which resulted in a nose-over.
- [NTSB WPR21FA170](https://openairdocs.org/ntsb/WPR21FA170), Apr 21, 2021: Consolidated Vultee BT-13A (N53331), Camas, WA, substantial damage, 1 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack during an aborted landing, resulting in an aerodynamic stall and impact with terrain.
- [NTSB WPR21LA125](https://openairdocs.org/ntsb/WPR21LA125), Mar 8, 2021: Phillip B Rolls Pitts 12-EH (N54LM), Red Bluff, CA, substantial damage. Probable cause: The pilot's failure to maintain directional control during a landing, which resulted in a ground loop and subsequent nose over.
- [NTSB ANC20LA074](https://openairdocs.org/ntsb/ANC20LA074), Jul 31, 2020: De Havilland DHC-2 (N4982U), Soldotna, AK, substantial damage, 7 fatal. Probable cause: The failure of both pilots to see and avoid the other airplane. Contributing to the accident were (1) the PA-12 pilot’s decision to fly with a known severe vision deficiency that had resulted in…
- [NTSB WPR20LA226](https://openairdocs.org/ntsb/WPR20LA226), Jul 5, 2020: Boeing B75 (N61445), Chino, CA, substantial damage. Probable cause: The pilot’s failure to maintain directional control during the landing roll.
- [NTSB WPR20FA206](https://openairdocs.org/ntsb/WPR20FA206), Jul 5, 2020: De Havilland DHC-2 (N2106K), Coeur d'Alene, ID, destroyed, 8 fatal. Probable cause: The failure of the pilots of both airplanes to see and avoid the other airplane.
- [NTSB GAA20CA033](https://openairdocs.org/ntsb/GAA20CA033), Oct 17, 2019: Weatherly 620 (N9033T), Fabens, TX, substantial damage. Probable cause: The pilot's failure to maintain clearance from power wires while maneuvering at a low altitude.

All 1,871: https://openairdocs.org/engine/pratt-whitney-r-985-series/ntsb.md

## FAA accident and incident reports (2,005, newest 50)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20260813011259I](https://openairdocs.org/incident/20260813011259I), Aug 13, 2026: Dehavilland DHC-2 (N777DH), Juneau, AK, Minor damage. The aircraft lost engine power shortly after departure from the float pond. The pilot subsequently landed in the river, where the aircraft floated into a log…
- [Accident 20260806009949A](https://openairdocs.org/incident/20260806009949A), Aug 6, 2026: Dehavilland DHC-2 (N62230), Iliamna, AK, Substantial damage. Pilot was taking off from moraine creek on a part 91 lodge flight. The pilot stated he missed his rejected takeoff point due to being overly fixated on another…
- [Incident 20260417005609I](https://openairdocs.org/incident/20260417005609I), Apr 17, 2026: Andersen Theodore L TAPERWING TA1 (N450TW), Louisville, KY, Minor damage. On April 17, 2026, the aircraft was performing aerobatic maneuvers during a practice session of the airshow when the overhead canopy departed the aircraft. The…
- [Incident 20260321001959I](https://openairdocs.org/incident/20260321001959I), Mar 21, 2026: Boeing A75N1(PT17) (N5045V), Mesa, AZ, Minor damage. During rollout from an uneventful normal landing the aircraft darted right due to wind gust, possible dust devil, and ground looped. Left gear departed the…
- [Accident 20250809010959A](https://openairdocs.org/incident/20250809010959A), Aug 9, 2025: Dehavilland DHC-2 MK 1 (N232KT), Kasilof, AK, Substantial damage. On 09 August 2025 at 08:00 LCL time, the accident aircraft departed lake hood seaplane base (lhd) on a part 135 commercial flight. The destination for the…
- [Accident 20250723010449A](https://openairdocs.org/incident/20250723010449A), Jul 23, 2025: Weatherly Aviation Co Inc 620B (N2032J), Ransom, MN, Substantial damage. The PIC was performing aerial application over a corn field. He stated he had made several application passes, noting no mechanical issues. The pilot said he…
- [Accident 20250722010659A](https://openairdocs.org/incident/20250722010659A), Jul 22, 2025: Howard Aircraft DGA-15P (N67722), Farmingdale, NY, Substantial damage. Pilots stated he wheel landed the aircraft and may have been traveling a “little fast”. He believed he encountered a wind gust and the aircraft veered to the…
- [Accident 20250711011189A](https://openairdocs.org/incident/20250711011189A), Jul 11, 2025: Dehavilland BEAVER DHC-2 MK.1 (N109KS), Nelson Lagoon, AK, Substantial damage. Pilot misjudged his landing height, aircraft tires clipped creek bank causing the right gear leg to collapse. Aircraft settled on right wing and propeller…
- [Accident 20250706008739A](https://openairdocs.org/incident/20250706008739A), Jul 6, 2025: Dehavilland BEAVER DHC-2 MK.1 (N67251), Kokhanok, AK, Substantial damage. Aircraft hit the bank on landing causing substantial damage to aircraft aft of left side passenger door. Left hand float sustained damage causing the float to…
- [Accident 20250701011769A](https://openairdocs.org/incident/20250701011769A), Jul 1, 2025: Grumman Acft Eng Cor-Schweizer G-164B (N8834H), Lockport, LA, Substantial damage. Pilot stated he had already flown two loads that morning with everything operating as it should. On this his third load he approached the field as normal and…
- [Accident 20250529004899A](https://openairdocs.org/incident/20250529004899A), May 29, 2025: Weatherly Aviation Co Inc 620B (N90393), Lewistown, MT, Substantial damage. On may 29, 2025, at 1900 MDT a Weatherly 620B conducting an aerial application flight in Lewistown, MT suffered substantial damage. On may 30, 2025 at the…
- [Incident 20250218002959I](https://openairdocs.org/incident/20250218002959I), Feb 18, 2025: Consolidated Vultee BT-13A (N67496), Zellwood, FL, No damage. On 2/18/2025 at the north Orlando airpark (FA83) a vultee valiant (BT-13A taildragger wwii training airplane) during the post landing rollout phase, struck a…
- [Accident 20241118019489A](https://openairdocs.org/incident/20241118019489A), Nov 18, 2024: Boeing A75N1(PT17) (N55464), Huntington, WV, Substantial damage. Aircraft [privacy data omitted]was flying over Huntington WV, when the pilot noticed black smoke and the engine proceeded to stop running. The pilot looked for…
- [Incident 20241010015999I](https://openairdocs.org/incident/20241010015999I), Oct 10, 2024: Boeing A75N1(PT17) (N61250), Bauxite, AR, No damage. While en route to north little rock airport (kork) the pilot made a landing on private property owned by a mining company to relieve himself. The land owner…
- [Accident 20241007015429A](https://openairdocs.org/incident/20241007015429A), Oct 7, 2024: Grumman Acft Eng Cor-Schweizer G-164A (N8957H), Parsonsburg, MD, Substantial damage. After spreading dry seed on field, during the climb out, engine started to misfire and lose power. The pilot leveled the aircraft on a west/southwest heading.…
- [Incident 20240820020689I](https://openairdocs.org/incident/20240820020689I), Aug 20, 2024: Beech D17S (N67555), Longview, TX, No damage. Pilots statement: while returning to kggg on a dogleg base to runway 13, switched tanks from the right lower to the main tank which is required for all…
- [Accident 20240802014149A](https://openairdocs.org/incident/20240802014149A), Aug 2, 2024: Dehavilland DHC-2 (N4444Z), Anchorage, AK, Substantial damage. On 08/02/2024 I was notified of a floatplane accident at Lake Hood, I arrived on scene and took multiple pictures. The aircraft was released per the NTSB for…
- [Accident 20240708008489A](https://openairdocs.org/incident/20240708008489A), Jul 8, 2024: Grumman G-164B (N6500K), Sedgewick, AR, Destroyed. The aircraft was conducting agricultural spraying operations in the vicinity of Sedgewick, AR. The field being sprayed had two sets of high-tension electrical…
- [Incident 20240629008359I](https://openairdocs.org/incident/20240629008359I), Jun 29, 2024: Beech D17S (N1185V), Smiley Creek, ID, Minor damage. The pilot arrived at the Smiley Creek Airport at 0930 local time. Due to traffic on the runway he extended the downwind. During downwind he performed his…
- [Accident 20240620007849A](https://openairdocs.org/incident/20240620007849A), Jun 20, 2024: Dehavilland BEAVER DHC-2 MK.1 (N55WE), Aleknagik, AK, Substantial damage. Pilot departed lake Aleknagik in day VFR conditions. After lift off, he heard items in the cabin flapping around. Pilot turned his head to check on the noise.…
- [Accident 20240617021899A](https://openairdocs.org/incident/20240617021899A), Jun 17, 2024: Lockheed 12A (N2072), Jackson, GA, Substantial damage. The aircraft landed on runway 36 at 62GA. During the landing rollout, the aircraft veered left off the grass runway and struck trees.
- [Accident 20240615007579A](https://openairdocs.org/incident/20240615007579A), Jun 15, 2024: Lockheed 12A (N93R), Chino, CA, Substantial damage, 2 fatal. On June 15, 2024 at approximately 1236 hours local time 1936 UTC, while attempting to depart cno, a Lockheed 12A impacted the ground shortly after takeoff from…
- [Accident 20240610008519A](https://openairdocs.org/incident/20240610008519A), Jun 10, 2024: Dehavilland BEAVER L-20A (N4957), Port Alsworth, AK, Substantial damage. Loaded up the passangers at Kijik Lake. Gave safety briefing. Warmed up engine to 40 degrees. Engine oil was at correct temp. Ran carb heat to approprite…
- [Accident 20240607008309A](https://openairdocs.org/incident/20240607008309A), Jun 7, 2024: Boeing E75 (N768WM), Sunset, LA, Minor damage. Pilot was landing on a wet private grass strip. On rollout aircraft began sliding to the left and main gear impacted water and mud causing aircraft to flip…
- [Accident 20240527004269A](https://openairdocs.org/incident/20240527004269A), May 27, 2024: Dehavilland BEAVER DHC-2 MK.1 (N5343G), Fairbanks, AK, Substantial damage. The pilot took off from the airport and reached approximately 300FT. The fuel pressure began to fluctuate so the pilot turned the aircraft back towards the…
- [Incident 20240327003309I](https://openairdocs.org/incident/20240327003309I), Mar 27, 2024: Naval Aircraft Factory N3N-3 (N9611), Blythe, CA, Minor damage. En route from chino airport (cno) to Blythe airport (blh) the aircraft began to exspell smoke from the engine. The aircraft began to vibrate and the pilot…
- [Incident 20231127018439I](https://openairdocs.org/incident/20231127018439I), Nov 27, 2023: Beech D17S (N26GM), Janesville, WI, Minor damage. [privacy data omitted]Had landing gear collapse on landing rwy 32, went off right side of rwy 32 just north of the rwy 4/22 intxn.
- [Incident 20231107018169I](https://openairdocs.org/incident/20231107018169I), Nov 7, 2023: Boeing A75N1(PT17) (N56949), New Orleans, LA, Minor damage. Pilot indicated that on 11/7/2023 he was flying to the slidell, LA airport to practice takeoffs and landings in his stearman airplane. He departed from New…
- [Accident 20230904011272A](https://openairdocs.org/incident/20230904011272A), Sep 4, 2023: Dehavilland DHC-2 (N97EL), King Salmon, AK, Minor damage. Helicopter departed pakn at 3:55P on a course of 065* toward paho with current ATIS info (it was the first clear sky VFR day in several days). Rotor wing pilot…
- [Accident 20230725009879A](https://openairdocs.org/incident/20230725009879A), Jul 25, 2023: Dehavilland DHC-2 MK. I(L20A) (N6782L), Point Baker, AK, Substantial damage. Pilot attempted to conduct a downwind takeoff with an approximate 10 knot tailwind out of Point Baker, AK. The way the cove is situated makes for a one way in…
- [Accident 20230722012839A](https://openairdocs.org/incident/20230722012839A), Jul 22, 2023: Boeing A75N1 (N53132), Red Lodge, MT, Substantial damage. Description of the deviation: While operating a stearman airplane on a VFR flight plan and upon landing on the grass strip rwy 16 at the Red Lodge, MT airport…
- [Accident 20230712011719A](https://openairdocs.org/incident/20230712011719A), Jul 12, 2023: Dehavilland DHC-2 MK. I(L20A) (N302BL), Togiak, AK, Substantial damage. Pilot stated that shortly after a normal take-off on floats, aircraft was approx 10FEET in the air and there was a loud "pop" and aircraft lost power and…
- [Accident 20230711008779A](https://openairdocs.org/incident/20230711008779A), Jul 11, 2023: Dehavilland DHC-2 (N814DW), Mccarthy, AK, Substantial damage. On July 11, 2023 at approximately 1830 AKDT a DHC-2 beaver operating under FAR part 135 on demand took off from Mccarthy 15Z and flew about 20 minutes and…
- [Accident 20230607009899A](https://openairdocs.org/incident/20230607009899A), Jun 7, 2023: Grumman Acft Eng Cor-Schweizer G-164B (N48485), Bloomfield, NE, Substantial damage. On Wednesday, June 7, 2023, a pilot was performing aerial application operations in a 1976 Grumman G-164B powered by a Garrett TPE331-1-151A. The part 137…
- [Accident 20230529003419A](https://openairdocs.org/incident/20230529003419A), May 29, 2023: Grumman Acft Eng Cor-Schweizer G-164B (N6678Q), Paragould, AR, Substantial damage. Interviewed the pilot and ground support, investigation found the following: The pilot was taking off from off-airport runway, making a slight right turn after…
- [Accident 20230525011109A](https://openairdocs.org/incident/20230525011109A), May 25, 2023: Grumman Acft Eng Cor-Schweizer G-164B (N6699Q), Kaplin, LA, Destroyed. Pilot operating under CFR part 137 flight rules sucessfully sprayed first tank of chemical fertilizer and landed for refuling and to reload the hopper.…
- [Accident 20230422004969A](https://openairdocs.org/incident/20230422004969A), Apr 22, 2023: Dehavilland BEAVER DHC-2 MK.1 (N454FU), Soldotna, AK, Substantial damage. Pilot attempted to drag his tires on a snow-covered airstrip to see how deep the snow was instead of attempting to land on dry parallel runway in order to save…
- [Incident 20230316002649I](https://openairdocs.org/incident/20230316002649I), Mar 16, 2023: Dehavilland DHC-2 (N62LC), Anchorage, AK, No damage. At cruise altitude pilot encountered engine backfire and engine quit operation. Pilot was able to restart engine, but noted the engine was not able to maintain…
- [Incident 20230305001729I](https://openairdocs.org/incident/20230305001729I), Mar 5, 2023: Boeing A75N1(PT17) (N56949), New Orleans, LA, Minor damage. Pilot left lakefront airport heading to slidell, pilot recieved call from tower stating his transponder was not working, pilot made the decision to turn around…
- [Accident 20230303003019A](https://openairdocs.org/incident/20230303003019A), Mar 3, 2023: Grumman Acft Eng Cor-Schweizer G-164B (N48492), Vernalis, CA, Substantial damage. On March 3, 2023, a Grumman G-164-B,[privacy data omitted], was in the process of dispensing agricultural chemicals when the aircraft made contact with a…
- [Incident 20221112019689I](https://openairdocs.org/incident/20221112019689I), Nov 12, 2022: Beech C-45H (N606PA), Titusville, FL, Minor damage. On November 12, 2022 at approximately 12:28 local time pilot had landed and was rolling out on runway 18 (runway in use) at Space Coast Regional Airport,…
- [Accident 20220918008319A](https://openairdocs.org/incident/20220918008319A), Sep 18, 2022: Dehavilland DHC-2 (N24BR), Egegik, AK, Substantial damage. On 18 September 2022 about 1830 Local time, the pilot attempted a departure from a small lake at N57.52.20, W155.49.45. Approximately 64 miles South East of…
- [Accident 20220801007619A](https://openairdocs.org/incident/20220801007619A), Aug 1, 2022: Air Tractor Inc AT-301 (N4326S), Leon, IA, Destroyed. Pilot experienced lack of engine performance for unknown reasons while enroute to the field to be sprayed. The aircraft impacted a heavy wooded area causing a…
- [Accident 20220726007539A](https://openairdocs.org/incident/20220726007539A), Jul 26, 2022: Dehavilland DHC-2 MK.1 (N9776R), Anchorage, AK, Substantial damage. The PIC took off from the southeast water lane at Lake Hood Seaplane Base with six passengers on board. After lift off the aircraft drifted to the left, and…
- [Accident 20220715011049A](https://openairdocs.org/incident/20220715011049A), Jul 15, 2022: Dehavilland BEAVER DHC-2 MK.1 (N4040W), Bettles, AK, Substantial damage. Airman attempted river landing in DHC-2 ases [privacy data omitted] while operating part 135 . Pilot lost directional control while "on step" and impacted left…
- [Accident 20220625012219A](https://openairdocs.org/incident/20220625012219A), Jun 25, 2022: Dehavilland BEAVER U-6A (N600NL), Kokhanok, AK, Substantial damage. Dehavilland beaver[privacy data omitted] in nondalton, AK crashed during takeoff from the south side of iliamna lake near Kokhanok, AK. The pilot reported that…
- [Incident 20220612006379I](https://openairdocs.org/incident/20220612006379I), Jun 12, 2022: Beech H-18 (N30GB), Stuart, FL, Minor damage. Nose wheel came off as the aircraft rotated for departure on a maintenance check flight. Aircraft returned to the departure airport. The aircraft came to rest…
- [Incident 20220604009579I](https://openairdocs.org/incident/20220604009579I), Jun 4, 2022: Beech UC-45J (N49265), Broomfield, CO, Minor damage. On June 4, 2022 at 1631Z on rocky mountain metropolitan airport, airplane [privacy data omitted], a Beech BE-18 departed the paved surface of runway 30R…
- [Incident 20220321000969I](https://openairdocs.org/incident/20220321000969I), Mar 21, 2022: Beech G18S (N1480K), Fort Lauderdale, FL, No damage. Fort Lauderdale, FL (fll): N1480K, BE18, landed runway 10R and skirted the grass area with the tail wheel while turning onto the taxiway. The aircraft…
- [Incident 20210920016549I](https://openairdocs.org/incident/20210920016549I), Sep 20, 2021: Beech D17S (N1196V), El Cajon, CA, Minor damage. Pilot reported a left cross wind on landing. This cross wind pushed the tail to the right causing the aircraft to briefly depart the runway causing the left…

All 2,005: https://openairdocs.org/engine/pratt-whitney-r-985-series/incidents.md

## Service difficulty reports (78, newest 50)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2018FA0000234](https://openairdocs.org/sdr/2018FA0000234), Jul 20, 2017: DRAG LINK. DAMAGED. DRAG LINK BOLT BROKE IN HALF AND BEGAN DISLODGING WHICH WILL EVENTUALLY RESULT IN LANDING GEAR COLLAPSE. PROBABLE CAUSE BENDING FATIGUE FROM LANDING GEAR CYCLES
- [SDR 2016F00151](https://openairdocs.org/sdr/2016F00151), Jul 20, 2016: PUSHROD. BROKEN. DURING CRUISE FLIGHT, ENGINE LOST PARTIAL POWER. PILOT TURNED AROUND TO RETURNED, COULD NOT MAINTAIN ALTITUDE, AND LANDED. DURING TAXIING THE ENGINE DIED. PILOT
- [SDR 2015FA0000383](https://openairdocs.org/sdr/2015FA0000383), Aug 18, 2015: FITTING. CORRODED. A FITTING IN THE LT FLOAT HYDRAULIC DISTRIBUTION BLOCK DEVELOPED A HOLE CAUSED BY CORROSION AND FAILED. THIS IN-TURN CAUSED THE HYDRAULIC FLUID TO ESCAPE AND UL
- [SDR CA150408034](https://openairdocs.org/sdr/CA150408034), Apr 3, 2015: BALANCE WEIGHT. LOOSE. (CAN) DURING A REGULARLY SCHEDULED INSPECTION TO REMOVE A CYLINDER & INSPECT THE POWER SECTION, IT WAS NOTICED THAT THE DYNAMIC BALANCE WEIGHTS HAD AN ALMOST .0
- [SDR CA140724002](https://openairdocs.org/sdr/CA140724002), Jul 23, 2014: CYLINDER. CRACKED. (CAN) DURING SCHEDULED 100 HR INSPECTION, BROKEN OFF A PIECE OF CYLINDER NR 9 FOUND RESTING IN LOWER COWLING, FURTHER INVESTIGATION FOUND THE UPPER COWLING MOUN
- [SDR CA140115007](https://openairdocs.org/sdr/CA140115007), Jan 12, 2014: CYLINDER HEAD. SEPARATED. (CAN) DURING CRUISE, THERE WAS A LOUD BANG FROM THE ENGINE AND THE ACFT LOST POWER. PILOT EXECUTED A FORCED LANDING. UPON INSPECTION, MAINTENANCE FOUND THAT THE
- [SDR J4HC2013F00112](https://openairdocs.org/sdr/J4HC2013F00112), Jun 27, 2013: EXHAUST STACK. BURNED. EXHAUST SEGMENTS BURNED THROUGH, CONTRIBUTING TO HIGHER THAN NORMAL INTAKE AIR TEMP RESULTING IN REDUCTION OF POWER DETECTED AT RUN UP.
- [SDR CA130418004](https://openairdocs.org/sdr/CA130418004), Apr 12, 2013: BOLT. LOOSE. (CAN) ENGINE BEGAN TO RUN ROUGH APPROXIMATELY 15 NM SOUTH OF CAM9 AT ALTITUDE OF 500 FT. ENGINE WAS BACKFIRING, ALL ENGINE INSTRUMENTS SHOWED THE PARAMETERS WER
- [SDR WM92012F00000](https://openairdocs.org/sdr/WM92012F00000), Aug 13, 2012: FUEL TANK. LEAKING. FRONT FUEL TANK DEVELOPED AN UNDETECTED LEAK VIA A SMALL CRACK IN THE LOWER CORNER NEAR A WELDED REPAIR. FUEL WAS IGNITED POSSIBLY VIA THE EXHAUST INTENSIFIER D
- [SDR TQ0A2012F00048](https://openairdocs.org/sdr/TQ0A2012F00048), Feb 2, 2012: PUSH-PULL ROD. CORRODED. PUSH/PULL TUBE WAS REMOVED FROM THE ACFT DURING AN ANNUAL INSPECTION AND WAS FOUND TO HAVE SEVERE PITTING AND HOLES THRU THE TUBE. FOUND THE ALUMINUM WAS SEVERL
- [SDR CA110804004](https://openairdocs.org/sdr/CA110804004), Aug 3, 2011: SEAL. LEAKING. LT MAGNETO SEAL - PART OF BLOWER ASSY APPEARS TO HAVE SHRUNK ALLOWING SEAL TO LEAK IN 4 BOLT HSG PLATE PN 164315. PERHAPS THE ENGINE OIL IS NOT COMPATIBLE WITH 
- [SDR CA110812002](https://openairdocs.org/sdr/CA110812002), Aug 3, 2011: MAIN BEARING. DAMAGED. ON INSPECTION OF THE OIL SCREEN IT WAS NOTICED THAT THERE WAS FOREIGN MATERIAL IN THE OIL SCREEN. THIS MATERIAL WAS TAKEN TO AN O/H SHOP FOR ANALYSIS. WE WERE I
- [SDR 2010FA0001250](https://openairdocs.org/sdr/2010FA0001250), Nov 9, 2010: ATTACH BRACKET. CORRODED. BOTH LT AND RT FWD HORIZ STABILIZER ATTACH BRACKETS WERE INSTALLED AS PART OF THE AOG AIR SUPPORT WING ANGLE MOD (STC SA01258NY) DURING ANNUAL INSP FOUND HORIZ 
- [SDR LAO2010F00000](https://openairdocs.org/sdr/LAO2010F00000), Mar 19, 2010: ROD. CORRODED. ELEVATOR CONTROL ROD ASSY WAS REMOVED FROM ACFT DURING AN ANNUAL INSPECTION. UPON INSPECTION A SMALL HOLE WAS FOUND AT THE AFT END OF THE ROD IN THE LOWER WALL 
- [SDR H0VC1](https://openairdocs.org/sdr/H0VC1), Feb 1, 2010: CYLINDER. BROKEN. NR 2 CYLINDER BROKE FREE FROM ENGINE CASE.
- [SDR 2009F00054](https://openairdocs.org/sdr/2009F00054), Jul 19, 2009: SPINNER. CRACKED. SMALL CRACKS IN BULKHEAD OF SPINNER AT OUTER RADIUS SPINNER CRACKED AT BLADE SHANK CUTOUTS.
- [SDR CA090407010](https://openairdocs.org/sdr/CA090407010), Apr 3, 2009: BRACKET. CRACKED. (CAN) HORIZ STABILIZER WAS REMOVED FOR UNASSOCIATED MX. LT PICK-UP BRACKET WAS FOUND TO BE CRACKED ON OTBD FACE. DAMAGE IS SIMILAR TO CRACKS DISCUSSED IN TNS SE
- [SDR CA090402009](https://openairdocs.org/sdr/CA090402009), Apr 2, 2009: CONTROL CABLE. FRAYED. (CAN) CABLE FRAYED AT STN 228 FAIRLEAD.
- [SDR CA090402010](https://openairdocs.org/sdr/CA090402010), Apr 2, 2009: CONTROL CABLE. FRAYED. (CAN) CABLE FRAYED AT PULLEY AT STN 228.
- [SDR CA090327002](https://openairdocs.org/sdr/CA090327002), Mar 26, 2009: BEARING. WRONG PART. (CAN) DURING REBUILD OF THE LT ELEVATOR THE TECH FOUND THE OTBD BRG TO BE THE WRONG SIZE (TOO WIDE) AND MISSING ONE CIRCLIP TO RETAIN BRG IN HSG. BRG WAS REPLAC
- [SDR 2008FA0000871](https://openairdocs.org/sdr/2008FA0000871), Nov 1, 2008: SPAR. CRACKED. HAVE JUST HAD THE SPAR X-RAY ACCOMPLISHED IAW AD75-27-09 R2. UPON REVIEW OF THE X-RAYS IT WAS DETERMINED THAT THERE WAS A CRACK. IT SEEMS THIS CRACK OF A VERY S
- [SDR HNJ2008F00000](https://openairdocs.org/sdr/HNJ2008F00000), Feb 4, 2008: SPAR. CRACKED. LT AILERON SPAR CRACKED AT CENTER AND OB HINGE BRACKET ATTACH POINTS. POSSIBLY DUE TO TWISTING EFFECT OF AILERON ACTUATOR INSTALLED AT EXTREME IB END OF AILERON
- [SDR FAA122808001](https://openairdocs.org/sdr/FAA122808001), Dec 28, 2007: BOLT. SHEARED. DURING THE INVESTIGATION. IT WAS DISCOVERED THAT THE REMAINDER OF THE BOLT FOR NOSE GEAR RETRACT PUSH PULL TUBE TO CANTILEVER ARM FOR DRAG BRACE HAD SHEARED ON 
- [SDR CA071214002](https://openairdocs.org/sdr/CA071214002), Dec 14, 2007: HINGE BRACKET. BROKEN. (CAN) FAILURE NOTICED DURING WALK AROUND BY MECHANIC. THE SPIGOT (INTEGRAL PART OF THE HINGE BRACKET) HAD FAILED COMPLETELY, JUST BELOW THE UPPER EDGE OF THE BA
- [SDR CA071214003](https://openairdocs.org/sdr/CA071214003), Dec 14, 2007: CABLE. CORRODED. (CAN) FUEL SELECTOR CABLE VERY BADLY CORRODED, CABLE FAILED WHEN REMOVED. NO LOG BOOKS OR RECORDS AVAILABLE. (TC NR 20071214003)
- [SDR T522007F00000](https://openairdocs.org/sdr/T522007F00000), Jun 26, 2007: CYLINDER HEAD. CRACKED. NR 2 CYLINDER WAS FOUND TO HAVE A CRACK ALL THE WAY AROUND THE HEAD JUST ABOVE THE SECOND COOLING FIN. (K)
- [SDR CA070607005](https://openairdocs.org/sdr/CA070607005), May 28, 2007: RELAY. FAILED. (CAN) JUST AFTER TAKEOFF, PILOT NOTICED FAINT SMOKE ODOR BUT UNSURE OF SOURCE, CONTINUED. DURING CLIMB WHITE SMOKE CAME IN AROUND RUDDER PEDALS SO PILOT SHUTDOW
- [SDR TQ0A20070004](https://openairdocs.org/sdr/TQ0A20070004), May 11, 2007: CYLINDER. FAILED. NR 4 CYLINDER FAILURE AND SEPARATION FROM ENGINE CASE. ROUGH ENGINE LANDING AT TAQUAN AIR.
- [SDR 2007FA0000410](https://openairdocs.org/sdr/2007FA0000410), Jan 10, 2007: TUBE. BROKEN. THIS IS THE THIRD NEW MFG INNER TUBE THAT HAS SPLIT ALONG CIRCUMFERENTIAL WELDED SEAMS.
- [SDR 2007FA0000663](https://openairdocs.org/sdr/2007FA0000663), Nov 21, 2006: CONTROL ARM. CRACKED. DURING COMPLIANCE WITH AD 77-19-07 PARA B, DYE PENETRANT INSPECTION REVEALED 2 POSSIBLE DEFECTS, 0.75 INCH AND 0.5 INCH LONG. BOTH INDICATIONS RADIATING FROM TH
- [SDR CA060925004](https://openairdocs.org/sdr/CA060925004), Sep 12, 2006: PISTON. CRACKED. (CAN) DURING REGULAR INSPECTION LOW COMPRESSION WAS NOTED ON NR 1 CYL. CYLINDER WAS REMOVED AND PISTON WAS CRACKED. CYLINDER ASSY WAS REPLACED. AIRCRAFT GROUND 
- [SDR 2006FA0000793](https://openairdocs.org/sdr/2006FA0000793), Jun 28, 2006: SPAR. CORRODED. THE DEFECT IS SEVERE CORROSION IN SPAR TUBE LT SIDE UPPER AT WING STA 90. PROBABLE CAUSE IS EXPOSURE TO MOISTURE OVER AN EXTENDED PERIORD OF TIMEM. RECOMMENDATI
- [SDR C2XA05SH144](https://openairdocs.org/sdr/C2XA05SH144), Dec 31, 2005: FLOOR SUPPORT. CORRODED. DURING C-CHECK, MAINTENANCE FOUND CENTER OMEGA BEAM CORRODED AT RAMP ANGLE FRM 20. MAINTENANCE REMOVED AND REPLACED CENTER OMEGA BEAM FROM FRMS 19-25 IAW SRM 51
- [SDR 2006FA0000122](https://openairdocs.org/sdr/2006FA0000122), Dec 15, 2005: TRANSCEIVER. MALFUNCTIONED. DURING POST INSTALLATION CHECKS, FOUND THE GDL90 UAT REPORTING CONTINUOUS EXTERNAL FAULT ERROR. NO EXTERNAL FAULTS FOUND. REPLACEMENT OF THE UNIT CORRECTED THE 
- [SDR PNSA051105](https://openairdocs.org/sdr/PNSA051105), Nov 17, 2005: COWLING. DEPARTED. WHILE IN CRUISE FLIGHT THE LT ENGINE COWLING DEPARTED THE AIRCRAFT. THE COWLING'S WAS NOT RECOVERED, FLIGHT WAS OVER WATER. AN UNEVENTFUL LANDING WAS MADE. SINC
- [SDR 2005FA0001633](https://openairdocs.org/sdr/2005FA0001633), Nov 15, 2005: MOUNT. CRACKED. DURING THE REPLACEMENT OF THE AIR DATA COMPUTER. FOUND THE MOUNTING TRAY ASSY CRACKED COMPLETELY ACROSS ON THE OPPOSITE END OF THE THUMBSCREW. AIRCRAFT IS CONFI
- [SDR 2005FA0001077](https://openairdocs.org/sdr/2005FA0001077), Jul 24, 2005: ENGINE. SEIZED. ENGINE SEIZED, UNKNOWN CAUSE. (GL11200513505) (K)
- [SDR TQ0A20050001](https://openairdocs.org/sdr/TQ0A20050001), May 16, 2005: ENGINE. SEIZED. ENGINE SEIZURE DURING CLIMB-OUT. VISUAL INSPECTION OF ENGINE OIL SCREEN AND SUMPS REVEALED STEEL PARTICLES.
- [SDR 2004F00438](https://openairdocs.org/sdr/2004F00438), Dec 21, 2004: TRACK. CRACKED. DURING A SCHEDULED INSPECTION, FOUND THE AIR DATA COMPUTER (ADC) BROKE LOOSE FROM ITS MOUNT. UPON FURTHER INVESTIGATION FOUND THE MOUNTING BRACKET FLANGE CRACKE
- [SDR GJR2004F00000](https://openairdocs.org/sdr/GJR2004F00000), Sep 1, 2004: PUMP. FAILED. LOSS OF FUEL PRESSURE.
- [SDR GJR2004F00001](https://openairdocs.org/sdr/GJR2004F00001), Sep 1, 2004: PUMP. INOPERATIVE. LOSS OF FUEL PRESSURE.
- [SDR GJR2004F00002](https://openairdocs.org/sdr/GJR2004F00002), Sep 1, 2004: PUMP. INOPERATIVE. LOSS OF FUEL PRESSURE.
- [SDR 031283](https://openairdocs.org/sdr/031283), Sep 1, 2004: TUBE. BENT. DURING SCHEDULED INSPECTION, FOUND AFT FUSELAGE TUBES BENT AND CRACKED. THIS AREA HAD BEEN PREVIOUSLY REPAIRED FOR SIMILAR CONDITION. DAMAGE WAS APPARENTLY CAUS
- [SDR 2004FA0000445](https://openairdocs.org/sdr/2004FA0000445), May 25, 2004: HINGE BRACKET. CORRODED. INSPECTED ORIGINAL MAGNESIUM IB AILERON HINGE BRACKETS AND FOUND SOME OR ALL OF THE FOLLOWING CONDITIONS: SEVERELY CORRODED BRACKET BODY AROUND MOUNT AND BEARIN
- [SDR 2004FA0000832](https://openairdocs.org/sdr/2004FA0000832), Mar 24, 2004: DISPLAY. MALFUNCTIONED. FOLLOWING THE INSTALLATION OF THE EFIS-SV SYSTEM, THE SOFTWARE WAS LOADED ONTO A SMART MEDIA CARD AND THE SMART MEDIA CARD WAS INSERTED INTO THE INTEGRATED DISP
- [SDR 2003FA0001242](https://openairdocs.org/sdr/2003FA0001242), Dec 5, 2003: CONTACTOR. MALFUNCTIONED. UPON LANDING THE AIRCRAFT, THE LANDING GEAR FAILED TO EXTEND DUE TO A MALFUNCTION OF THE LANDING GEAR MOTOR CONTRACTOR. PROBLEM WAS DUPLICATED WITH THE AIRCRAFT
- [SDR PCZ2003F00000](https://openairdocs.org/sdr/PCZ2003F00000), Oct 10, 2003: BRACE. CORRODED. DURING A 100 HOUR INSPECTION, THE UPRIGHT VERTICAL BRACE AT STATION 61 IN THE LEFT WHEEL WELL WAS FOUND CORRODED AND CRACKED. THE CORROSION WAS INTERNAL. THE BR
- [SDR EON2003F00000](https://openairdocs.org/sdr/EON2003F00000), Aug 27, 2003: LOCK. FRACTURED. DURING THE 100 HOUR COMPRESSION TEST, THE ENGINE STOPPED BETWEEN TWO POSITIONS OF APPROXIMATELY 60 DEGREES OF PROP ROTATION FROM HARD INTERNAL CONTACT, FURTHER 
- [SDR CA030605019](https://openairdocs.org/sdr/CA030605019), May 30, 2003: ENGINE. MAKING METAL. (CAN) DURING REGULAR MAINTENANCE INSPECTION METAL WAS FOUND IN THE OIL SCREEN IN SUFFICIENT QUANTITY TO WARRANT ENGINE REMOVAL.
- [SDR W0P2003F00000](https://openairdocs.org/sdr/W0P2003F00000), Mar 25, 2003: RIB. CORRODED. UPON COMPLYING WITH AD, FOUND CORROSION TO HAVE SEVERELY EATEN AWAY THE TIP RIB ON FOUR DIFFERENT ELEVATORS.

All 78: https://openairdocs.org/engine/pratt-whitney-r-985-series/reports.md

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