# Pratt & Whitney PT6A-34 series

- Type: Engine model (FAA registry)
- Registry code: 52143
- Manufacturer (registry): P & W
- Model: PT6A-34
- Engine type: Turbo-prop
- Power: 750 hp
- Installed in: 42 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-pt6a-34-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.

- [AD 2022-08-13](https://openairdocs.org/ad/2022-08-13): Turbine Section · Pratt & Whitney Canada PT6A-34, PT6A-34B, PT6A-34AG and 2 more. Effective May 27, 2022
- [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05): Reinforcement liner to the power turbine (PT) containment   
  ring and, for certain PT containment rings, adding scallops · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 18 more. Effective Aug 5, 2014
- [AD 2011-25-12](https://openairdocs.org/ad/2011-25-12): Sun gear · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Dec 28, 2011
- [AD 2011-20-51](https://openairdocs.org/ad/2011-20-51): Gears · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Nov 1, 2011
- [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997
- [AD 92-15-11](https://openairdocs.org/ad/92-15-11): Compressor Delivery Air Line (P3) Filter Assembly · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-21 and 7 more. Effective Aug 17, 1992
- [AD 90-12-05](https://openairdocs.org/ad/90-12-05): Engine Overhaul · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 3 more. Effective May 30, 1990
- [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980
- [AD 75-06-01](https://openairdocs.org/ad/75-06-01): Gearbox Deterioration · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 11 more. Effective Apr 1, 1977
- [AD 75-11-04](https://openairdocs.org/ad/75-11-04): Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 more. Effective May 20, 1975

## Information bulletins (advisory) (1)

- [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011

## Registered aircraft (42)

- [N13SU](https://openairdocs.org/aircraft/N13SU): [Downwind LLC DBA](https://openairdocs.org/faa-owner/DOWNWIND%20LLC%20DBA), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2009, S/N 152
- [N141DZ](https://openairdocs.org/aircraft/N141DZ): [Liam 750 Inc](https://openairdocs.org/faa-owner/LIAM%20750%20INC), [Charlevoix, MI](https://openairdocs.org/faa-place/MI/Charlevoix), built 2008, S/N XL 150
- [N155VV](https://openairdocs.org/aircraft/N155VV): [Volatile Aero Ventures LLC](https://openairdocs.org/faa-owner/VOLATILE%20AERO%20VENTURES%20LLC), [Boulder City, NV](https://openairdocs.org/faa-place/NV/Boulder%20City), built 2009, S/N 155
- [N216PK](https://openairdocs.org/aircraft/N216PK): [Tecumseh Skydiving School LLC](https://openairdocs.org/faa-owner/TECUMSEH%20SKYDIVING%20SCHOOL%20LLC), [Jackson, MI](https://openairdocs.org/faa-place/MI/Jackson), built 2005, S/N 114
- [N223QK](https://openairdocs.org/aircraft/N223QK): [Rovey Jason](https://openairdocs.org/faa-owner/ROVEY%20JASON), [Wickenburg, AZ](https://openairdocs.org/faa-place/AZ/Wickenburg), built 2017, S/N 100-0223
- [N247TC](https://openairdocs.org/aircraft/N247TC): [Town & Country Aviation LLC](https://openairdocs.org/faa-owner/TOWN%20%26%20COUNTRY%20AVIATION%20LLC), [Sunnyvale, CA](https://openairdocs.org/faa-place/CA/Sunnyvale), built 2009, S/N 100-0025
- [N249NZ](https://openairdocs.org/aircraft/N249NZ): [Skydive Guam Inc](https://openairdocs.org/faa-owner/SKYDIVE%20GUAM%20INC), [Barrigada, GU](https://openairdocs.org/faa-place/GU/Barrigada), built 2010, S/N 172
- [N28NR](https://openairdocs.org/aircraft/N28NR): [Jaars Inc](https://openairdocs.org/faa-owner/JAARS%20INC), [Waxhaw, NC](https://openairdocs.org/faa-place/NC/Waxhaw), built 2009, S/N 100-0024
- [N320KT](https://openairdocs.org/aircraft/N320KT): [Rustair Inc](https://openairdocs.org/faa-owner/RUSTAIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1956, S/N 73
- [N344CS](https://openairdocs.org/aircraft/N344CS): [Transport Company LLC](https://openairdocs.org/faa-owner/TRANSPORT%20COMPANY%20LLC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 1971, S/N 334
- [N438DL](https://openairdocs.org/aircraft/N438DL): [Locker Don D](https://openairdocs.org/faa-owner/LOCKER%20DON%20D), [Muleshoe, TX](https://openairdocs.org/faa-place/TX/Muleshoe), built 2019, S/N #0038
- [N43CH](https://openairdocs.org/aircraft/N43CH): [Matus Richard J](https://openairdocs.org/faa-owner/MATUS%20RICHARD%20J), [Fort Worth, TX](https://openairdocs.org/faa-place/TX/Fort%20Worth), built 1994, S/N 4622176
- [N4899R](https://openairdocs.org/aircraft/N4899R): [Rustair Inc](https://openairdocs.org/faa-owner/RUSTAIR%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1960, S/N 353
- [N502MV](https://openairdocs.org/aircraft/N502MV): [Midwest Aerial Spraying LLC](https://openairdocs.org/faa-owner/MIDWEST%20AERIAL%20SPRAYING%20LLC), [Dorchester, NE](https://openairdocs.org/faa-place/NE/Dorchester), built 2008, S/N 502B-2621
- [N502RE](https://openairdocs.org/aircraft/N502RE): [R And R Flight Service Inc](https://openairdocs.org/faa-owner/R%20AND%20R%20FLIGHT%20SERVICE%20INC), [Mendota, IL](https://openairdocs.org/faa-place/IL/Mendota), built 2008, S/N 502B-2626
- [N504KQ](https://openairdocs.org/aircraft/N504KQ): [Kodiak Aircraft Co Inc](https://openairdocs.org/faa-owner/KODIAK%20AIRCRAFT%20CO%20INC), [Sandpoint, ID](https://openairdocs.org/faa-place/ID/Sandpoint), built 2009, S/N 100-0028
- [N524SL](https://openairdocs.org/aircraft/N524SL): [Crop Dusters LLC](https://openairdocs.org/faa-owner/CROP%20DUSTERS%20LLC), [Maurice, IA](https://openairdocs.org/faa-place/IA/Maurice), built 1994, S/N T34203DC
- [N548GT](https://openairdocs.org/aircraft/N548GT): [Southwest Associates LLC](https://openairdocs.org/faa-owner/SOUTHWEST%20ASSOCIATES%20LLC), [Bigfork, MT](https://openairdocs.org/faa-place/MT/Bigfork), built 1967, S/N 1685-TB53
- [N557HD](https://openairdocs.org/aircraft/N557HD): [Kodiak Flyers LLC](https://openairdocs.org/faa-owner/KODIAK%20FLYERS%20LLC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2012, S/N 100-0070
- [N603DA](https://openairdocs.org/aircraft/N603DA): [Destination Alaska Air Service LLC](https://openairdocs.org/faa-owner/DESTINATION%20ALASKA%20AIR%20SERVICE%20LLC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1957, S/N 1161
- [N61Q](https://openairdocs.org/aircraft/N61Q): [Dynamic Avlease Inc](https://openairdocs.org/faa-owner/DYNAMIC%20AVLEASE%20INC), [Bridgewater, VA](https://openairdocs.org/faa-place/VA/Bridgewater), built 1968, S/N LM-92
- [N6868B](https://openairdocs.org/aircraft/N6868B): [Doyon Air Transport LLC](https://openairdocs.org/faa-owner/DOYON%20AIR%20TRANSPORT%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1958, S/N 274
- [N70U](https://openairdocs.org/aircraft/N70U): [Dynamic Avlease Inc](https://openairdocs.org/faa-owner/DYNAMIC%20AVLEASE%20INC), [Bridgewater, VA](https://openairdocs.org/faa-place/VA/Bridgewater), built 1967, S/N LM-51
- [N711D](https://openairdocs.org/aircraft/N711D): [Jett Aviation Partners LLC](https://openairdocs.org/faa-owner/JETT%20AVIATION%20PARTNERS%20LLC), [Bismarck, ND](https://openairdocs.org/faa-place/ND/Bismarck), built 1989, S/N 4622036
- [N7155P](https://openairdocs.org/aircraft/N7155P): [Dynamic Avlease Inc](https://openairdocs.org/faa-owner/DYNAMIC%20AVLEASE%20INC), [Bridgewater, VA](https://openairdocs.org/faa-place/VA/Bridgewater), built 1968, S/N LM-107
- [N727FH](https://openairdocs.org/aircraft/N727FH): [Emerald Air Service Inc](https://openairdocs.org/faa-owner/EMERALD%20AIR%20SERVICE%20INC), [Homer, AK](https://openairdocs.org/faa-place/AK/Homer), built 1958, S/N 307
- [N72TT](https://openairdocs.org/aircraft/N72TT): [Tarmac Turbo LLC](https://openairdocs.org/faa-owner/TARMAC%20TURBO%20LLC), [Issaquah, WA](https://openairdocs.org/faa-place/WA/Issaquah), built 1956, S/N 912
- [N750DV](https://openairdocs.org/aircraft/N750DV): [T & T Delaware Aviation LLC](https://openairdocs.org/faa-owner/T%20%26%20T%20DELAWARE%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2005, S/N 112
- [N750SN](https://openairdocs.org/aircraft/N750SN): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2008, S/N 142
- [N750VX](https://openairdocs.org/aircraft/N750VX): [Randigo LLC](https://openairdocs.org/faa-owner/RANDIGO%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2007, S/N 0132
- [N751BX](https://openairdocs.org/aircraft/N751BX): [South Seattle College](https://openairdocs.org/faa-owner/SOUTH%20SEATTLE%20COLLEGE), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 2006, S/N LIV-582
- [N753BX](https://openairdocs.org/aircraft/N753BX): [Utah State University](https://openairdocs.org/faa-owner/UTAH%20STATE%20UNIVERSITY), [Logan, UT](https://openairdocs.org/faa-place/UT/Logan), built 2007, S/N LIV-585
- [N769](https://openairdocs.org/aircraft/N769): [United States Dept Of Interior](https://openairdocs.org/faa-owner/UNITED%20STATES%20DEPT%20OF%20INTERIOR), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2009, S/N 100-0023
- [N771RT](https://openairdocs.org/aircraft/N771RT): [Redtail Partners LLC](https://openairdocs.org/faa-owner/REDTAIL%20PARTNERS%20LLC), [Moab, UT](https://openairdocs.org/faa-place/UT/Moab), built 2011, S/N 100-0059
- [N77TF](https://openairdocs.org/aircraft/N77TF): built 2013, S/N 870
- [N798JT](https://openairdocs.org/aircraft/N798JT): [Summit Skydive LLC](https://openairdocs.org/faa-owner/SUMMIT%20SKYDIVE%20LLC), [San Antonio, TX](https://openairdocs.org/faa-place/TX/San%20Antonio), built 2010, S/N 171
- [N814SS](https://openairdocs.org/aircraft/N814SS): [Hilcorp Equipment LLC](https://openairdocs.org/faa-owner/HILCORP%20EQUIPMENT%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2014, S/N 901
- [N81KQ](https://openairdocs.org/aircraft/N81KQ): [Blue Sky Air Services LLC](https://openairdocs.org/faa-owner/BLUE%20SKY%20AIR%20SERVICES%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2012, S/N 100-0081
- [N902ST](https://openairdocs.org/aircraft/N902ST): [True North Aviation LLC](https://openairdocs.org/faa-owner/TRUE%20NORTH%20AVIATION%20LLC), [Mulino, OR](https://openairdocs.org/faa-place/OR/Mulino), built 2009, S/N 153
- [N92858](https://openairdocs.org/aircraft/N92858): [Blue Aircraft LLC](https://openairdocs.org/faa-owner/BLUE%20AIRCRAFT%20LLC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1953, S/N 8
- [N94DN](https://openairdocs.org/aircraft/N94DN): [Twin Falls, ID](https://openairdocs.org/faa-place/ID/Twin%20Falls), built 1966, S/N 1632TB18, Registration pending
- [N97TB](https://openairdocs.org/aircraft/N97TB): [North Atlantic Air Services LLC](https://openairdocs.org/faa-owner/NORTH%20ATLANTIC%20AIR%20SERVICES%20LLC), [Arundel, ME](https://openairdocs.org/faa-place/ME/Arundel), built 1966, S/N 1655TB31

## NTSB investigations (8)

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 WPR25LA250](https://openairdocs.org/ntsb/WPR25LA250), Aug 11, 2025: De Havilland DHC-6-300 (N344CS), San Celmente, CA, substantial damage, investigation ongoing
- [NTSB CEN25LA297](https://openairdocs.org/ntsb/CEN25LA297), Jul 28, 2025: Ayres S2R (N524SL), Akron, IA, substantial damage, investigation ongoing
- [NTSB WPR24LA300](https://openairdocs.org/ntsb/WPR24LA300), Aug 31, 2024: Pacific Aerospace 750XL (N902ST), Mulino, OR, substantial damage. Probable cause: The skydiver’s unintentional parachute deployment and subsequent entanglement with the airplane’s horizontal stabilizer.
- [NTSB CEN22LA372](https://openairdocs.org/ntsb/CEN22LA372), Jul 28, 2022: Dehavilland DHC-3 (N320KT), Talkeetna, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control during the landing roll which resulted in a runway excursion and collision with a ditch.
- [NTSB ERA16LA059](https://openairdocs.org/ntsb/ERA16LA059), Dec 3, 2015: Pacific Aerospace 750XL (N216PK), Raeford, NC, substantial damage. Probable cause: The pilot's failure to obtain the proper touchdown point and speed during a precautionary landing with the engine shut down. Contributing to the accident was an erroneous engine torque indication,…
- [NTSB WPR15IA244](https://openairdocs.org/ntsb/WPR15IA244), Aug 17, 2015: Quest Kodiac 100 (N771RT), Page, AZ, incident, minor damage. Probable cause: The pilot's inadvertent failure to engage the seat in the locked position before takeoff, which resulted in the seat sliding back during the takeoff roll and a subsequent loss of directional control.…
- [NTSB ERA15LA270](https://openairdocs.org/ntsb/ERA15LA270), Jul 9, 2015: Ayres S2R T34 (N524SL), Climax, GA, substantial damage. Probable cause: A loss of thrust on takeoff for reasons that could not be determined, because postaccident examination of the engine and propeller assembly did not reveal any mechanical anomalies that would have…
- [NTSB ANC05LA110](https://openairdocs.org/ntsb/ANC05LA110), Jul 28, 2005: de Havilland DHC-3 (N6868B), Ketchikan, AK, minor damage. Probable cause: An electrical arc on the exterior of a fuel pressure line that initiated a fuel leak and fire during cruise flight, which resulted in serious injuries to the pilot as he performed an emergency…

## FAA accident and incident reports (26)

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 20251004019659I](https://openairdocs.org/incident/20251004019659I), Oct 4, 2025: Pacific Aerospace Ltd 750XL (N750VX), Cullman, AL, Minor damage. A/c taxied and departed runway 20 with tow bar attached to front landing gear. Aircraft returned and landed runway 20 without incident. Propellor damage found…
- [Accident 20250811011519A](https://openairdocs.org/incident/20250811011519A), Aug 11, 2025: Dehavilland DHC-6-300 (N344CS), San Clemente Is, CA, Substantial damage. Both left and right propellers were installed after overhaul, the low pitch blade angles were adjusted and the beta rods jam nuts were safety wired in error.…
- [Accident 20250728009929A](https://openairdocs.org/incident/20250728009929A), Jul 28, 2025: Ayres Corporation S2R-T34 (N524SL), Akron, IA, Substantial damage. During flight the aircraft sustained engine failure. The pilot made a forced landing in a soybean field. The aircraft came to rest in an inverted position.
- [Incident 20250716012869I](https://openairdocs.org/incident/20250716012869I), Jul 16, 2025: Dehavilland DHC 2 MK III (N603DA), Chinitna Bay, AK, Minor damage. On July 16, 2025, at approximately 1300 AKDT, a single engine turbo-propeller aircraft model DHC-2 mk iii, was involved in an incident while landing on a beach…
- [Incident 20250602008259I](https://openairdocs.org/incident/20250602008259I), Jun 2, 2025: Dehavilland DHC 2 MK III (N72TT), Everett, WA, Minor damage. June 2nd, 2025, the aircraft involved in the incident was conducting successive touch and go take off and landings in the traffic pattern at kpae. The pilot on…
- [Incident 20240307003449I](https://openairdocs.org/incident/20240307003449I), Mar 7, 2024: Pacific Aerospace Ltd 750XL (N750VX), Cullman, AL, No damage. Aircraft was at jump altitude waiting to discharge skydivers when pilot noted a loud noise and suspected a bird strike. Pilot noted aircraft operation and…
- [Accident 20220728007569A](https://openairdocs.org/incident/20220728007569A), Jul 28, 2022: Dehavilland DHC-3 (N320KT), Talkeetna, AK, Substantial damage. Flightseeing flight returning to Talkeetna Airport with 8 passengers and one pilot. Upon landing, the MLG touched down without incident. As the aircraft slowed…
- [Incident 20170521007679I](https://openairdocs.org/incident/20170521007679I), May 21, 2017: Grumman G-73T (N380GB), Winter Haven, FL, Minor damage. On approach for landing to runway 05 at kgif; pilot stated that landing checklist was accomplished and landing gear was selected down for land landing.…
- [Accident 20151203021749A](https://openairdocs.org/incident/20151203021749A), Dec 3, 2015: Pacific Aerospace Corp Ltd 750XL (N216PK), Raeford, NC, Substantial damage. On December 3, 2015, aircraft N216PK, a PAC-750, experienced an abnormal engine indication and performed an engine-out glide into 5W4 airport. It ran off the…
- [Incident 20151011022409I](https://openairdocs.org/incident/20151011022409I), Oct 11, 2015: Pacific Aerospace Corp Ltd 750XL (N750SN), Tres Pinos, CA, No damage, 1 fatal. A skydiver parachute failed to fully deployed on descent that resulted in a fatal injury. Witnesses reported a loud popping cannon type sound during the moment…
- [Incident 20150817015329I](https://openairdocs.org/incident/20150817015329I), Aug 17, 2015: Quest Aircraft Company LLC KODIAK 100 (N771RT), Page, AZ, Minor damage. Pilot began takeoff roll by selecting high idle for the engine and upon initiating throttle movement to increase power pilot stated that the pilot's seat moved…
- [Accident 20150709012419A](https://openairdocs.org/incident/20150709012419A), Jul 9, 2015: Ayres Corporation S2R-T34 (N524SL), Climax, GA, Substantial damage. On July 09, 2015 at approximately 1153 EST, N524SL ayers corporation S2R-T35 s/n T34203DC, departed Vada Airport (GA42) which is a private air strip located at…
- [Incident 20140511006409I](https://openairdocs.org/incident/20140511006409I), May 11, 2014: Pacific Aerospace Corp Ltd 750XL (N750DV), Hollister, CA, No damage. Skydiving flight. Engine failed just north of the dropzone at approximately 8,500 feet with 17 jumpers onboard. All jumpers exited the aircraft safely.…
- [Incident 20140331003399I](https://openairdocs.org/incident/20140331003399I), Mar 31, 2014: Pacific Aerospace Corp Ltd 750XL (N216PK), Raeford, NC, No damage, 1 fatal. On March 31, 2014 Mr. De blois boarded the pac 750 N216PK, (flown by [privacy data omitted]) at the 5W4 airport to participate in training jumps. At…
- [Incident 20131020023829I](https://openairdocs.org/incident/20131020023829I), Oct 20, 2013: Pacific Aerospace Corp Ltd 750XL (N750SN), No damage. Parachutest jumped from aircraft and the event was uneventful until parachutist landed on the taxi way on the airport. We were told that the parachutist broke…
- [Incident 20130526009849I](https://openairdocs.org/incident/20130526009849I), May 26, 2013: Dehavilland DHC-3 (N320KT), Talkeetna, AK, Minor damage. Aircraft started takeoff roll on rwy 36 with a left crosswind of 320 @ 5. With the tail off of the ground near rotation speed, the aircraft veered to the left…
- [Incident 20130525021439I](https://openairdocs.org/incident/20130525021439I), May 25, 2013: Pacific Aerospace Corp Ltd 750XL (N750SN), Cloverdale, CA, No damage. At approximately 11,000 feet aircraft engine lost power due to fuel exhaustion. Pilot informed parachutists to exit aircraft. Parachutists were able to exit…
- [Incident 20120927022029I](https://openairdocs.org/incident/20120927022029I), Sep 27, 2012: Pacific Aerospace Corp Ltd 750XL (N216PK), Randleman, NC, No damage. At approx 1445 the ranger group all veteran parachute team conducted a demo jump at victory junction in Randleman, NC. One team member, [privacy data omitted],…
- [Incident 20110619011619I](https://openairdocs.org/incident/20110619011619I), Jun 19, 2011: Pacific Aerospace Corp Ltd 750XL (N750DV), Baldwin, WI, No damage. On approach to Baldwin Airport, the engine quit with no abnormal indications or warnings. Propeller feathered normallythe pilot landed the aircraft on the…
- [Incident 20110617017139I](https://openairdocs.org/incident/20110617017139I), Jun 17, 2011: Pacific Aerospace Corp Ltd 750XL (N750SN), Hollister, CA, No damage, 1 fatal. A female parachute jumper appeared to have lost control as she approached the landing zone after having a successful deployment of the parachute. She suffered…
- [Incident 20090321003449I](https://openairdocs.org/incident/20090321003449I), Mar 21, 2009: Pac 750XL (N750SN), Minden, NV, No damage. (-23) Parachutist [privacy data omitted] departed the aircraft at FL175. At about 5,000, AGL a fully functional main canopy was deployed. The jumper believed…
- [Incident 20090131006989I](https://openairdocs.org/incident/20090131006989I), Jan 31, 2009: Pac 750XL (N750SN), Hollister, CA, No damage, 1 fatal. (-23) A female parachutist appear to have lost control while in a right hand spiral at approximtely 3000 ft and impacted the ground in an open field 7 miles…
- [Incident 20081025852069I](https://openairdocs.org/incident/20081025852069I), Oct 25, 2008: Pac 750XL (N750SN), Minden, NV, No damage. (-23) Nine jumpers exited the aircraft at flight level 170. [privacy data omitted] Was the ninth jumper ane exited the aircraft 1.6 miles upwind. The parachute…
- [Incident 20080920854189I](https://openairdocs.org/incident/20080920854189I), Sep 20, 2008: Pac 750XL (N750DV), East Troy, WI, No damage, 1 fatal. Skydiver [privacy data omitted] , d/o/b 05/17/1955, was killed in a skydiving accident while parachuting at the skyknights parachute club, W1341 highway l,…
- [Incident 20070223004679I](https://openairdocs.org/incident/20070223004679I), Feb 23, 2007: Emb EMB110P2 (N24AN), Buffalo, NY, Minor damage. (-23) On Friday February 23, 2007 at approximately 0730 EST, a business airfreight inc (dba airnow) Embraer EMB110P2, N24AN, s/n 110318, on taxi went into a…
- [Accident 20050728017669A](https://openairdocs.org/incident/20050728017669A), Jul 28, 2005: Dhav DHC3 (N6868B), Ketchikan, AK, Minor damage. (-23) While enroute back to Ketchikan from a part 135 flight seeing tour, a fire erupted in the cockpit, mainly from the instrument panel. The aircraft was…

## Service difficulty reports (465, newest 50)

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

- [SDR 2025F00092](https://openairdocs.org/sdr/2025F00092), Apr 13, 2025: RIVET. LOOSE. THERE ARE FOUR RIVETS AROUND THE MLG FRAMES (INSIDE THE FUSELAGE, ALONG THE SEAT TRACKS) THAT ARE SMOKING (TWO ON THE RIGHT SIDE OF THE FUSELAGE, TWO ON THE LEF
- [SDR 2024FA0000334](https://openairdocs.org/sdr/2024FA0000334), Jan 11, 2024: LOCK FASTENER. LOOSE. AFT WING FITTING LOCK FASTENERS FOUND LOOSE ON LEFT AND RIGHT WING. ADDRESSED IN PIPPER SB820A BUT NOT APPLICABLE TO THIS MODEL AIRCRAFT AND SHOULD BE.
- [SDR 2022F00200](https://openairdocs.org/sdr/2022F00200), Apr 7, 2022: LAMP. BROKEN. THE PILOT REPORTED A VISIBLE PUFF OF SMOKE FROM THE OVERHEAD PANEL AREA TO MAINTENANCE. MAINTENANCE FOUND TWO WHEAT BULBS BROKEN AND POSSIBLY SHORTED TOGETHER I
- [SDR CA190807008](https://openairdocs.org/sdr/CA190807008), Aug 6, 2019: ROD END. CORRODED. (CAN) MSN 974 LEFT ENGINE FAILED TO RETURN TO LOWER POWER SETTING DURING TAXI THIS MORNING. WHEN L/H POWER LEVER RETURN TO IDLE POSITION THE NG STILL 68%, R/H I
- [SDR AXSA2019061400019](https://openairdocs.org/sdr/AXSA2019061400019), Jun 14, 2019: BLADES. CRACKED. DURING A HOT SECTION 3 CT BLADES WERE FOUND TO BE CRACKED AT THE FIR TREE.
- [SDR CA190709014](https://openairdocs.org/sdr/CA190709014), Jun 11, 2019: FUEL CONTROL. MALFUNCTIONED. (CAN) PILOT APPLIED REVERSE POWER TO BACK AWAY FROM THE DOCK. WHEN THE POWER LEVER WAS MOVED BACK TO THE IDLE POSITION, THE ENGINE ACCELERATED UNCONTROLLED. PIL
- [SDR CA190412007](https://openairdocs.org/sdr/CA190412007), Apr 10, 2019: ENGINE. DAMAGED. (CAN) DURING A NON-SCHEDULED HOT SECTION INSPECTION, THE BOLTS (PART NUMBER MS9574-06) SECURING THE CONTAINMENT RING TO POWER TURBINE VANE RING AT FLANGE D WERE
- [SDR CA190412006](https://openairdocs.org/sdr/CA190412006), Apr 10, 2019: DUCT. CRACKED. (CAN) DURING A REGULARLY SCHEDULED BORESCOPE INSPECTION, DAMAGE WAS NOTED ON THE LARGE EXIT DUCT (LED). UPON FURTHER INSPECTION, A CRACK WAS FOUND ON THE INNER 
- [SDR CA190227016](https://openairdocs.org/sdr/CA190227016), Feb 24, 2019: FUEL CONTROL. FAILED. (CAN) TO INITIATE DESCENT FOR LANDING, THE PILOT BROUGHT BACK THE POWER. AS THE POWER LEVER WAS BROUGHT BACK, POWER (INDICATED AND ACTUAL) STOPPED REDUCING AROU
- [SDR CA190307019](https://openairdocs.org/sdr/CA190307019), Feb 16, 2019: FUEL CONTROL. MALFUNCTIONED. (CAN) PILOT REPORTED THAT THE AIRCRAFT WAS NOT MAKING MAX POWER. ENGINE GROUND RUNS WERE CARRIED OUT AND WAS UNABLE TO OBTAIN MAX NG. ALSO, THE NG WAS NOT STABL
- [SDR CA190424021](https://openairdocs.org/sdr/CA190424021), Nov 18, 2018: HOSE. LEAKING. (CAN) HOSE SPLIT AND LEAKING.
- [SDR AXSA2018082700001](https://openairdocs.org/sdr/AXSA2018082700001), Aug 25, 2018: ENGINE. UNKNOWN. DURING CLIMB OUT, LEAVING 3500 FEET, A MUFFLED BANG WAS HEARD, FOLLOWED BY A YAW. THE ENGINE FAILURE DRILL WAS CARRIED OUT FOLLOWED BY THE CHECKLIST AFTER AN EM
- [SDR CA180822003](https://openairdocs.org/sdr/CA180822003), Aug 13, 2018: LINE. LEAKING. (CAN) THE PILOT REPORTED WHILE RETRACTING THE LANDING GEAR AFTER TAKEOFF, THE LANDING GEAR CIRCUIT BREAKER TRIPPED WITH THE LANDING GEAR AT MID RETRACTION. THE 
- [SDR CA180616004](https://openairdocs.org/sdr/CA180616004), May 28, 2018: PRESSURE SWITCH. BROKEN. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616004)
- [SDR CA180616005](https://openairdocs.org/sdr/CA180616005), May 28, 2018: PROBE. FALSE INDICATION. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616005)
- [SDR FAA2018052500164](https://openairdocs.org/sdr/FAA2018052500164), May 25, 2018: PRESSURE SWITCH. INTERMITTENT. AFTER TAKE OFF, AT 300 FT, THE NR 2 PROPELLER AUTOFEATHERED, THE AUTOFEATHER WAS SELECTED OFF AND THE PROPELLER UNFEATHERED AND RETURNED TO NORMAL OPS. TORQUE W
- [SDR CA180616003](https://openairdocs.org/sdr/CA180616003), May 12, 2018: PRESSURE SWITCH. FLUCTUATES. (CAN) HYDRAULIC PRESSURE SWITCH PRE MOD 6/2313 DROPS TO 1220 PSI. OUTSIDE THE PERMISSIBLE LIMIT, SWITCH OPENS AT INCONSISTENT PRESSURES IN 1480, 1520,1500 PSI`S
- [SDR CA180510013](https://openairdocs.org/sdr/CA180510013), May 10, 2018: DUCT. DAMAGED. (CAN) DURING ENGINE REPAIR, DAMAGE WAS NOTED ON THE LARGE EXIT DUCT (LED). THE LED HAD 818.5 HOURS AND 1806 CYCLES SINCE REPAIR. THE FOLLOWING WAS REPORTED BY T
- [SDR CA180404016](https://openairdocs.org/sdr/CA180404016), Apr 2, 2018: CONTROL CABLE. CHAFED. (CAN) DURING THE EMMA 2 INSPECTION IT WAS DISCOVERED THAT THE LEFT HAND AILERON CABLE WAS CHAFING ON THE STEERING CABLE AT THE BASE OF THE YOKE. THE CHAFING OCC
- [SDR CA180222018](https://openairdocs.org/sdr/CA180222018), Jan 24, 2018: PUMP. FAILED. (CAN) FORWARD BOOT PUMP 1 FAILURE ON TAXI IN AT GLA. (TC NR 20180222018).
- [SDR 4P1A2017042400001](https://openairdocs.org/sdr/4P1A2017042400001), Apr 24, 2017: IGNITER. BROKEN. WHEN PERFORMING A PROGRESSIVE ROUTINE 300 HOUR INSPECTION ON THE ENGINE, FOUND PART OF THE RIGHT IGNITER MISSING. PERFORMED A BORESCOPE INSPECTION AND FOUND MEL
- [SDR 4P1A2017021500001](https://openairdocs.org/sdr/4P1A2017021500001), Feb 15, 2017: BATTERY CABLE. CHAFED. PILOT REPORTED THAT THE ALTERNATOR FAIL LIGHT CAME ON BUT THE ALTERNATOR CONTINUED TO WORK. WHEN THE AIRCRAFT RETURNED TO HOME BASE, REPLACED THE ALTERNATOR CON
- [SDR CA160301016](https://openairdocs.org/sdr/CA160301016), Feb 23, 2016: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE LEAD HAD 509
- [SDR CA160225005](https://openairdocs.org/sdr/CA160225005), Feb 21, 2016: IGNITION LEAD. FAILED. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THIS OPERATOR HAS HAD NUMEROUS P
- [SDR CA160125010](https://openairdocs.org/sdr/CA160125010), Jan 15, 2016: DOOR. MISMANUFACTURED. (CAN) DURING ROUTINE MAINTENCE, FOUND 2 PROBLEMS WITH THE ICA`S. ON AN EMMA, EQUALIZED MAINTENANCE MAXIMUM AVAILABILITY, INSPECTION CARD 15, SECTION 3B, THE FLI
- [SDR CA160111012](https://openairdocs.org/sdr/CA160111012), Jan 11, 2016: SEAL. DEFECTIVE. (CAN) FUEL MOTIVE LINE STRAINER, CHECK VALVE FOUND TO HAVE A SWOLLEN RUBBER SEAL WHICH PREVENTED THE FLAPPER FROM SEALING. SPRING UNABLE TO RETURN VALVE TO CLOS
- [SDR AXSA20150107001](https://openairdocs.org/sdr/AXSA20150107001), Jan 6, 2016: LINK. DETACHED. MORNING FLIGHT 1050, DEPARTED AT 0735 LOCAL TIME, BUT PERFORMED AN AIR RETURN TO ITS STARTING POINT AT 0752 DUE TO A GEAR NOT RETRACTED INDICATION. MX TECHNICIA
- [SDR CA151205001](https://openairdocs.org/sdr/CA151205001), Dec 3, 2015: AXLE. CRACKED. (CAN) DURING ROUTINE EMMA INSPECTION AXLE P/N C6UM1134-27 WAS FOUND TO HAVE A SUSPECTED CRACK AROUND BARREL APPROXIMATELY 3" LONG. PART WAS REPLACED AND AIRCRAF
- [SDR CA151216008](https://openairdocs.org/sdr/CA151216008), Dec 3, 2015: ENGINE. MALFUNCTIONED. (CAN) JUST AFTER DROPPING SKYDIVERS, THE PILOT FELT A VIBRATION AND SAW THAT THE ENGINE TORQUE READING WAS IN THE RED ARC. HE ELECTED TO PERFORM AN ENGINE SHUT 
- [SDR AXSA2015112590038](https://openairdocs.org/sdr/AXSA2015112590038), Nov 24, 2015: TURBINE WHEEL. DISINTEGRATED. THE PILOT REPORTED THAT IN CRUISE, APPROX 20 MINUTES AFTER TAKEOFF, THE RT ENG SURGED MORE THAN ONCE & HE ELECTED TO SHUT IT DOWN. HE THEN DECLARED AN EMER & DI
- [SDR CA151110010](https://openairdocs.org/sdr/CA151110010), Nov 8, 2015: IGNITION LEAD. DAMAGED. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE LEAD HAD 389
- [SDR CA151102015](https://openairdocs.org/sdr/CA151102015), Nov 2, 2015: AILERON. MISMANUFACTURED. (CAN) PRODUCTION HAS REPORTED THAT THE HUB, FORK, AILERON OUTER WING, HAS BEEN MFG INCORRECTLY. IT HAS BEEN FOUND THAT HUBS WERE MISSING THE .03" X 45 CHAMFER A
- [SDR CA151022007](https://openairdocs.org/sdr/CA151022007), Oct 21, 2015: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE RIGHT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE TIP WAS BEN
- [SDR CA151029025](https://openairdocs.org/sdr/CA151029025), Oct 14, 2015: ROD END. SEIZED. (CAN) DURING GROUND RUN-UP FCU CONTROL ROD, PN C6CE1398-3 HAD STIFF/SEIZED END BEARINGS, PN DSC4-3A ON NR 2 ENGINE. FCU ROD AND END BEARINGS REPLACED.
- [SDR CA151014009](https://openairdocs.org/sdr/CA151014009), Oct 9, 2015: G SWITCH. FAILED. (CAN) DURING THE ELT ANNUAL RECERTIFICATION, BENCH TESTING FOUND THAT THE G-SWITCH FAILED. THERE WERE ALSO TWO SCREWS WITH O - RINGS MISSING AND THE H-SHIELD WA
- [SDR CA150924009](https://openairdocs.org/sdr/CA150924009), Sep 21, 2015: ALTIMETER. MALFUNCTIONED. (CAN) IMMEDIATELY UPON BECOMING AIRBORNE, FLIGHT CREW NOTICED THE CAPTAIN`S ALTIMETER HAD FLAGGED AND CONTINUED TO INDICATE FIELD ELEVATION THROUGHOUT THE CLIMB
- [SDR CA150923007](https://openairdocs.org/sdr/CA150923007), Sep 18, 2015: LOCK. BENT. (CAN) AIRCRAFT WAS INSPECTED FOLLOWING RECEIPT OF MFG SAFETY COMMUNIQUE QSC-008. CO-PILOT SEAT FOUND WITH DAMAGE EXACTLY AS DESCRIBED IN THE COMMUNIQUE. NO SEAT
- [SDR CA150831008](https://openairdocs.org/sdr/CA150831008), Aug 26, 2015: IGNITION LEAD. BROKEN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE RIGHT HAND IGNITION LEAD WAS FOUND TO BE BROKEN AT THE IGNITER ATTACHMENT END. THE LEAD HAD A TSN OF 833.9 HO
- [SDR CA150828003](https://openairdocs.org/sdr/CA150828003), Aug 16, 2015: ENGINE. POWER LOSS. (CAN) ON TAKEOFF ALL ENGINE PARAMETERS ARE NORMAL AND WITHIN 5 SECONDS PROP RPM ONLY STARTS TO ROLLBACK TOWARDS FEATHER NO OTHER PARAMETERS FOLLOW. USE OF STAND
- [SDR CA150818009](https://openairdocs.org/sdr/CA150818009), Aug 12, 2015: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, BOTH LEFT AND RIGHT HAND IGNITION LEADS WERE FOUND TO BE WORN AT THE IGNITER ATTACHMENT ENDS.
- [SDR CA150831010](https://openairdocs.org/sdr/CA150831010), Aug 10, 2015: DUCT. CRACKED. (CAN) DURING A SCHEDULED HOT SECTION INSPECTION, THE LARGE EXIT DUCT (LED) WAS FOUND CRACKED IN MULTIPLE LOCATIONS ALONG THE OUTER SEAM WELD. THE TSO OF THE LED
- [SDR CA150721005](https://openairdocs.org/sdr/CA150721005), Jul 10, 2015: DOOR. OPEN. (CAN) AN AIR OPERATOR RECENTLY EXPERIENCED AN EVENT WHERE THE MAIN CABIN PASSENGER DOOR OPENED IN FLIGHT. THIS HAPPENED ON APPROACH IN TURBULENT WEATHER CONDITI
- [SDR CA150727002](https://openairdocs.org/sdr/CA150727002), Jul 10, 2015: ENGINE. SHUTDOWN. (CAN) DURING FLIGHT, THE ACFT EXPERIENCED POWER LOSS RESULTING IN THE UNCOMMANDED SHUTDOWN OF THE ENGINE. THE PILOT MADE AN EMERGENCY LANDING. ENGINE WILL BE RE
- [SDR 2015FA0000397](https://openairdocs.org/sdr/2015FA0000397), Jul 9, 2015: BLADE. FAILED. ENGINE EXPERIENCED TOTAL POWER LOSS JUST AFTER TAKEOFF DURING INITIAL CLIMB. PILOT EXECUTED A POWER OFF LANDING ON AN AIRPORT TAXIWAY WITH NO DAMAGE TO THE ACFT
- [SDR CA150728004](https://openairdocs.org/sdr/CA150728004), Jul 9, 2015: ENGINE. POWER LOSS. (CAN) DURING TAKEOFF, THE PILOT REPORTED LOSING POWER FORCING A LANDING IN A CORN FIELD. ENGINE KEPT RUNNING FOR SOME 40 SECONDS AFTER THE FORCED LANDING. NTSB 
- [SDR 2016FA0000277](https://openairdocs.org/sdr/2016FA0000277), Jul 9, 2015: COMPRESSOR. DAMAGED. ENGINE EXPERIENCED TOTAL POWER LOSS JUST AFTER TAKEOFF, DURING INITIAL CLIMB. PILOT EXECUTED A POWER OFF LANDING ON AN AIRPORT TAXIWAY WITH NO DAMAGE TO THE AIR
- [SDR AXSA20150722001](https://openairdocs.org/sdr/AXSA20150722001), Jun 30, 2015: TRANSPONDER. SMOKE. PILOT REPORTED SMOKE COMING FROM BEHIND TRANSPONDER.
- [SDR CA150713005](https://openairdocs.org/sdr/CA150713005), Jun 30, 2015: ENGINE. MALFUNCTIONED. (CAN) THE PILOT REPORTED THAT DURING DESCEND AT APPROX 1000 FT ITT STARTED TO CLIMB, ALL OTHER PARAMETERS REMAINED NORMAL. AFTER LANDING THE PILOT DECIDED TO SH
- [SDR CA150629022](https://openairdocs.org/sdr/CA150629022), Jun 28, 2015: MOTOR. FAILED. (CAN) WHEN NR 2 BOOST PUMP WAS SELECTED, PUMP SOUNDED VERY ROUGH & LABORED. OVERHAULED MOTOR WAS INSTALLED & DEFECT WAS CLEARED.
- [SDR CA150622004](https://openairdocs.org/sdr/CA150622004), Jun 19, 2015: WIRE. CORRODED. (CAN) HF ANTENNA WIRE FAILED DUE TO CORROSION, RESULTING FROM WATER INGRESS INTO THE FEED THROUGH IPC REFERENCE 23-10-00 FIG 1.

All 465: https://openairdocs.org/engine/pratt-whitney-pt6a-34-series/reports.md

## STCs that may be installed (OpenAirDocs) (18)

Approved for this engine model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SE00002EN](https://openairdocs.org/stc/SE00002EN): Instructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc
- [STC SE02170AT](https://openairdocs.org/stc/SE02170AT): Installation of Pc Safety Valve Kit. Bell Helicopter Textron Inc
- [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc
- [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc
- [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation
- [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc
- [STC SE00691NY](https://openairdocs.org/stc/SE00691NY): Conversion of engine models PT6A-27 and -28 to Model PT6A-34 as described in Temporary Overhaul Data Revision. Standard Aero Limited
- [STC SE09286SC](https://openairdocs.org/stc/SE09286SC): Installation of an alternate gas generator case. Airforce Turbine Service
- [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support
- [STC SE539NE](https://openairdocs.org/stc/SE539NE): Modification of compressor turbine sealing segments to incorporate honeycomb material on the inside diameter thereby providing an abradable surface for turbine blade contact. Airwork Corporation
- [STC SE241NE](https://openairdocs.org/stc/SE241NE): Conversion of engine Models PT6A-27 and -28 to 01/157/3. Airwork Corporation
- [STC SE260NE](https://openairdocs.org/stc/SE260NE): Conversion of engine PT6A-34 to PT6A-36. Comerford-Audet Corporation
- [STC SE5601SW](https://openairdocs.org/stc/SE5601SW): Replacement splined end and oil mist lubrication on accessory drive gearshaft. Aviall of Texas, Inc
- [STC SE1165EA](https://openairdocs.org/stc/SE1165EA): Assembly and installation of AW10262 wet spline starter gear seal. Airwork Corporation
- [STC SE4607SW](https://openairdocs.org/stc/SE4607SW): Revise the starter-generator drive spline to provide lubrication with engine oil. Aviall of Texas, Inc
- [STC SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3010671RM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180066927420260204181356.0001): Washer, Flat. Rimark Manufacturing · PMA PQ10018NE · Replaces 3010671 · Jan 28, 2026
- [3010671RM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180066927420260204181356.0001): Washer, Flat. Rimark Manufacturing · PMA PQ10018NE · Replaces 3010671 · Jan 28, 2026
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [210036ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121764629320250926170341.0001): Bearing, Needle. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 210036 · Sep 9, 2025
- [210036ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121764629320250926170341.0001): Bearing, Needle. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 210036 · Sep 9, 2025
- [3034292WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166533215020250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034292, 3034293, 3958257-01, 3028419… · Jun 2, 2025
- [3034292WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166533215020250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034292, 3034293, 3958257-01, 3028419… · Jun 2, 2025
- [3034507WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141045710620250624152910.0001): Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3017383, 3020967, 3022069, 3022070… · Jun 2, 2025
- [3034507WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141045710620250624152910.0001): Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3017383, 3020967, 3022069, 3022070… · Jun 2, 2025
- [3034393WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100181403420250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034393, 3033315, 3059257-01, 3028419… · Jun 2, 2025
- [3034393WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100181403420250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034393, 3033315, 3059257-01, 3028419… · Jun 2, 2025
- [WF334552](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147857861520250602133017.0001): Compressor Air Filter. Donaldson Company Inc · PMA PQ2432CE · Replaces 3029268, Alternate: 3028856, 3029267… · May 23, 2025
- [WF334552](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147857861520250602133017.0001): Compressor Air Filter. Donaldson Company Inc · PMA PQ2432CE · Replaces 3029268, Alternate: 3028856, 3029267… · May 23, 2025
- [WF344763](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115254655320250602133049.0001): Nozzle Cover, Machined. Donaldson Company Inc · PMA PQ2432CE · Replaces 3120869-01, Alternate: 3019491… · May 23, 2025
- [WF344763](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115254655320250602133049.0001): Nozzle Cover, Machined. Donaldson Company Inc · PMA PQ2432CE · Replaces 3120869-01, Alternate: 3019491… · May 23, 2025
- [3115091-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180857219920250923184724.0001): Ball, Plastic, 0.750. CORE PARTS LLC · PMA PQ05326NM · Replaces 3115091-01 · Feb 13, 2025
- [3115091-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180857219920250923184724.0001): Ball, Plastic, 0.750. CORE PARTS LLC · PMA PQ05326NM · Replaces 3115091-01 · Feb 13, 2025
- [3058971-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110906306720250923184724.0001): Valve Assy, Oil Filler Tube. CORE PARTS LLC · PMA PQ05326NM · Replaces 3058971-01 · Feb 13, 2025
- [3058971-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110906306720250923184724.0001): Valve Assy, Oil Filler Tube. CORE PARTS LLC · PMA PQ05326NM · Replaces 3058971-01 · Feb 13, 2025
- [3049871-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134847727520260108162918.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3049871-01 · Jan 17, 2025
- [3049871-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134847727520260108162918.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3049871-01 · Jan 17, 2025
- [3116033-01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183380911920250127211157.0001): Gasket, Eight-Hole. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3116033-01 · Dec 18, 2024
- [3116033-01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183380911920250127211157.0001): Gasket, Eight-Hole. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3116033-01 · Dec 18, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169774044220250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012411 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169774044220250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012411 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164469161820250106202800.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012413 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164469161820250106202800.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012413 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152753542620250106202759.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012414 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152753542620250106202759.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012414 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117377138920250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012412 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117377138920250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012412 · Dec 10, 2024

All of them: https://openairdocs.org/engine/pratt-whitney-pt6a-34-series/pma.md

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