# Pratt & Whitney R-1830-92 - Type: Engine model (FAA registry) - Registry code: 51627 - Manufacturer (registry): P & W - Model: R-1830-92 - Engine type: Reciprocating - Power: 1,200 hp - Installed in: 13 registered aircraft - Page: https://openairdocs.org/engine/pratt-whitney-r-1830-92 Model codes come from the FAA registry's reference file. ## 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 (13) - [N150D](https://openairdocs.org/aircraft/N150D): [Qualitair LLC Trustee](https://openairdocs.org/faa-owner/QUALITAIR%20LLC%20TRUSTEE), Michelstadt, built 1941, S/N 4463 - [N15MA](https://openairdocs.org/aircraft/N15MA): [Florida Air Cargo](https://openairdocs.org/faa-owner/FLORIDA%20AIR%20CARGO), [Davie, FL](https://openairdocs.org/faa-place/FL/Davie), built 1942, S/N 19286 - [N206M](https://openairdocs.org/aircraft/N206M): [Black Cat Aviation LLC](https://openairdocs.org/faa-owner/BLACK%20CAT%20AVIATION%20LLC), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 1954, S/N 427 - [N2172N](https://openairdocs.org/aircraft/N2172N): [Avenger LLC](https://openairdocs.org/faa-owner/AVENGER%20LLC), [Beaverton, OR](https://openairdocs.org/faa-place/OR/Beaverton), built 1944, S/N 46522 - [N3291](https://openairdocs.org/aircraft/N3291): [International Air Services Inc Trustee](https://openairdocs.org/faa-owner/INTERNATIONAL%20AIR%20SERVICES%20INC%20TRUSTEE), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1940, S/N 2204 - [N423RS](https://openairdocs.org/aircraft/N423RS): [Tunison Foundation Inc](https://openairdocs.org/faa-owner/TUNISON%20FOUNDATION%20INC), [Oxford, CT](https://openairdocs.org/faa-place/CT/Oxford), built 1943, S/N 48423 - [N427CV](https://openairdocs.org/aircraft/N427CV): [Pissed Away N427cv LLC](https://openairdocs.org/faa-owner/PISSED%20AWAY%20N427CV%20LLC), [Colorado Springs, CO](https://openairdocs.org/faa-place/CO/Colorado%20Springs), built 1944, S/N CV-427 - [N435DK](https://openairdocs.org/aircraft/N435DK): [Beezhold Terence](https://openairdocs.org/faa-owner/BEEZHOLD%20TERENCE), [Lake Stevens, WA](https://openairdocs.org/faa-place/WA/Lake%20Stevens), built 1944, S/N 26569 - [N43JE](https://openairdocs.org/aircraft/N43JE): [Nakajima N43je LLC](https://openairdocs.org/faa-owner/NAKAJIMA%20N43JE%20LLC), [Beaverton, OR](https://openairdocs.org/faa-place/OR/Beaverton), built 2004, S/N HAYABUSA 1 - [N459CF](https://openairdocs.org/aircraft/N459CF): [Collings Foundation Inc DBA](https://openairdocs.org/faa-owner/COLLINGS%20FOUNDATION%20INC%20DBA), [Stow, MA](https://openairdocs.org/faa-place/MA/Stow), built 1943, S/N 300 - [N60154](https://openairdocs.org/aircraft/N60154): [Palm Springs Air Museum](https://openairdocs.org/faa-owner/PALM%20SPRINGS%20AIR%20MUSEUM), [Palm Springs, CA](https://openairdocs.org/faa-place/CA/Palm%20Springs), built 1943, S/N 32755 - [N791HH](https://openairdocs.org/aircraft/N791HH): [Martin Aviation Inc](https://openairdocs.org/faa-owner/MARTIN%20AVIATION%20INC), [Santa Ana, CA](https://openairdocs.org/faa-place/CA/Santa%20Ana), built 1944, S/N 33123 - [N9767](https://openairdocs.org/aircraft/N9767): [Soaring By The Sea Foundation](https://openairdocs.org/faa-owner/SOARING%20BY%20THE%20SEA%20FOUNDATION), [Eugene, OR](https://openairdocs.org/faa-place/OR/Eugene), built 1943, S/N 9767 ## NTSB investigations (5) 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 ANC09LA064](https://openairdocs.org/ntsb/ANC09LA064), Jul 7, 2009: Douglas DC-3C (N777YA), Skwentna, AK, substantial damage. Probable cause: A fracture of the airplane's tailwheel shock absorber linkage during taxi, resulting in the collapse of the tailwheel. - [NTSB ANC06LA032](https://openairdocs.org/ntsb/ANC06LA032), Mar 1, 2006: Douglas DC-3 (N777YA), Beluga, AK, substantial damage. Probable cause: The pilot's failure to maintain altitude/clearance from trees on final approach, which resulted in an in-flight collision with trees. - [NTSB MIA99WA087](https://openairdocs.org/ntsb/MIA99WA087), Feb 17, 1999: Douglas DC-3C (N15MA), Nassau, Bahamas, substantial damage - [NTSB SEA94LA181](https://openairdocs.org/ntsb/SEA94LA181), Jul 8, 1994: Consolidated Aeronautics PBY-5A (N2172N), Lincoln City, OR, substantial damage. Probable cause: THE PILOT'S FAILURE TO MAINTAIN CLEARANCE FROM A BOAT DOCK DURING THE ABORTED TAKEOFF. FACTORS INCLUDE THE PILOT'S POOR INFLIGHT DECISION TO LAND ON A NARROW LAKE UNDER UNFAVORABLE WIND CONDITIONS,… - [NTSB ANC86LA015](https://openairdocs.org/ntsb/ANC86LA015), Dec 16, 1985: Douglas DC-3C (N777YA), Dillingham, AK, substantial damage ## FAA accident and incident reports (8) 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 20220627008449I](https://openairdocs.org/incident/20220627008449I), Jun 27, 2022: Consolidated Vultee 28-5ACF (N9767), Willard, UT, Minor damage. On June 27th aircraft N9767 conducted a VFR flight from hill afb to Willard bay state park. The aircraft made a sw arrpoach for a final water landing. Upon… - [Incident 20151122023329I](https://openairdocs.org/incident/20151122023329I), Nov 22, 2015: Douglas DC3C (N777YA), Mcgrath, AK, Substantial damage. The pilot in command failed to maintain adequate obstruction clearance at the runway threshold, impacted a snow berm with both main landing gear, the right… - [Incident 20140715017319I](https://openairdocs.org/incident/20140715017319I), Jul 15, 2014: Douglas DC3C (N777YA), Talkeetna, AK, No damage. According to the pilot, the number 2 engine was indicating that it was losing oil pressure during cruise flight. The pilot elected to shut down the engine and… - [Accident 20090707047609A](https://openairdocs.org/incident/20090707047609A), Jul 7, 2009: Douglas Acf DC3 (N777YA), Hayes River, AK. After landing on an unimproved strip there was a bump during taxi to the parking area. The lower link from the tailwheel damper assembly to the tailwheel fork… - [Incident 20080718842049I](https://openairdocs.org/incident/20080718842049I), Jul 18, 2008: Doug DC3CR183090C (N791HH), Chino, CA, No damage. (-23) After landing and taxiing to parking sport, the Chino control tower noticed "flames" coming from the right engine. The tower notified the crew who… - [Accident 20060301003409A](https://openairdocs.org/incident/20060301003409A), Mar 1, 2006: Doug DC3C (N777YA), Beluga, AK, Substantial damage. (-23) Aircraft struck some trees while on short final during an VFR approach to the Beluga airstrip, Beluga, AK. The left wings leading edge sustained damage.… - [Accident 19851215063909A](https://openairdocs.org/incident/19851215063909A), Dec 15, 1985: Doug DC3C (N777YA), Dillingham, AK, Substantial damage. Aborted the takeoff due to poor climb performance. Impacted ground off airport. Airframe was covered with ice. - [Incident 19850121007189I](https://openairdocs.org/incident/19850121007189I), Jan 21, 1985: Doug C47 (N15MA), Erie, PA. Shut down engine en route. Safe landing. Discontinued taxi due to strong winds and poor braking. Runway closed. ## Service difficulty reports (97, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2023FA0000370](https://openairdocs.org/sdr/2023FA0000370), Jun 12, 2023: CYLINDER. FAILED. AIRCREW REPORTED: DURING CRUISE AT 8,000 FT, THE LEFT ENGINE STARTED VIBRATING AND THEN BACKFIRING. I PULLED THE LEFT ENGINE BACK TO APPROX 21" MP AND THE ENGIN - [SDR CA141219009](https://openairdocs.org/sdr/CA141219009), Dec 17, 2014: CYLINDER HEAD. SEPARATED. (CAN) NR 1 ENGINE, NR 13 CYLINDER HEAD SEPARATED FROM BARREL. ENGINE TSO 474.9, CYLINDER TSO 1276.8. CYLINDER ASSEMBLY WAS REPLACED & AIRCRAFT RETURNED TO SERVI - [SDR D7TA20130912001](https://openairdocs.org/sdr/D7TA20130912001), Sep 4, 2013: CYLINDER. FAILED. CYLINDER FAILURE AT ENGINE SHUTDOWN. - [SDR CA121115012](https://openairdocs.org/sdr/CA121115012), Nov 13, 2012: OIL SYSTEM. FLUCTUATES. (CAN) THE NR 2 ENGINE INSTALLED ON WAS SHUTDOWN AND PROP FEATHERED DUE TO A FLUCTUATING OIL PRESSURE INDICATION ON BOTH ELECTRICAL AND DIRECT READING GAUGES. IT - [SDR HZZ2011F00000](https://openairdocs.org/sdr/HZZ2011F00000), Aug 3, 2011: CYLINDER. CRACKED. ENGINE STARTED TO RUN ROUGH IN FLIGHT. THE CAPT SHUTDOWN THE NR 1 ENGINE. UPON INSPECTION ON THE GROUND, IT WAS FOUND THAT THE NR3 CYLINDER HAD CRACKED NEAR THE - [SDR CA101123001](https://openairdocs.org/sdr/CA101123001), Nov 16, 2010: ENGINE. FAILED. (CAN) DURING APPROACH, ENGINE STARTED TO SHAKE AND THE OIL TEMPERATURE STARTED TO RISE. THE ENGINE WAS SHUT DOWN AND FEATHERED. AIRCRAFT LANDED SAFELY AT AIRPOR - [SDR CA100924006](https://openairdocs.org/sdr/CA100924006), Sep 22, 2010: CYLINDER. CRACKED. ENGINE HAD BOUNCING MANIFOLD PRESSURE AT POWER REDUCTION. UPON INSP, FOUND THAT THE NR1 CYLINDER ASSY HAD CRACKED AT THE EXHAUST EAR CAUSING VALVE TO NOT OPEN A - [SDR 2008FA0000893](https://openairdocs.org/sdr/2008FA0000893), Dec 17, 2008: PUMP. LEAKING. LT ENG FUEL PUMP DEVELOPED LEAK THROUGH THE BLEED HOLE IN A PLUG INSTALLED ON THE PRESSURE ADJUSTMENT PORTION OF THE PUMP. SYS WAS PRESSURIZED BY THE ELECTRIC F - [SDR CA060323002](https://openairdocs.org/sdr/CA060323002), Mar 11, 2006: CYLINDER. CRACKED. THE EXHAUST EAR OF NR 13 CYLINDER DEVELOPED A CRACK WHICH AFFECTED THE VALVE CLEARANCE OF THE EXHAUST VALVE, RESULTING IN A ROUGH RUNNING ENGINE. CYLINDER ASSEM - [SDR P3E2006F00000](https://openairdocs.org/sdr/P3E2006F00000), Feb 21, 2006: POINTS. WORN. ON THE FIRST FLIGHT OF THE DAY, TAKING OFF FROM OPA-LOCKS AIRPORT, REDUCING POWER TO CLIMB, THE LT ENGINE BACKFIRED AND THE MANIFOLD PRESSURE SHOWED A SLIGHT DR - [SDR AU510001511](https://openairdocs.org/sdr/AU510001511), Dec 12, 2005: MANIFOLD. SEPARATED. (AUS) RT ENGINE NR 9 CYLINDER INDUCTION MANIFOLD SEPARATED FROM CYLINDER AND WAS FOUND LAYING IN THE LOWER COWL FLAP AREA. INVESTIGATION FOUND THE MANIFOLD ATTA - [SDR AU510001795](https://openairdocs.org/sdr/AU510001795), Dec 12, 2005: ENGINE. MALFUNCTIONED. ENGINE SHUT DOWN DUE TO ROUGH RUNNING. INVESTIGATION CONTINUING. - [SDR CA051128010](https://openairdocs.org/sdr/CA051128010), Nov 24, 2005: FITTING. CRACKED. (CAN) DURING CRUISE, IT WAS OBSERVED THAT THE DIRECT READING OIL PRESS GAUGE WAS AT ZERO ON RT ENGINE. AUTO SYN PRESSURE GAUGE, TEMPS, OIL WARNING LIGHT ALL IND - [SDR CA050701001](https://openairdocs.org/sdr/CA050701001), Jun 26, 2005: CARBURETOR. MALFUNCTIONED. (CAN) LT ENGINE OF AIRCRAFT STARTED TO BACK FIRE AND DEVELOP LOW POWER DURING POWER REDUCTION AFTER TAKEOFF. PILOT'S ELECTED TO 'CAGE' ENGINE AND RETURN TO THE - [SDR AU510001700](https://openairdocs.org/sdr/AU510001700), Jan 7, 2005: BRAKE. FAULTY. RT BRAKE GRABBED CAUSING LT MAIN LANDING GEAR TO RUN OFF TAXIWAY AND BECOME BOGGED. INVESTIGATION COULD FIND NO FAULT WITH THE BRAKE SYSTEM EXCEPT FOR A LARGER - [SDR CA040421001](https://openairdocs.org/sdr/CA040421001), Apr 19, 2004: ENGINE. VIBRATION. (CAN) DURING TAKEOFF, THE CREW NOTICED THE NR 1 ENGINE HAD A NOTICEABLE VIBRATION, THE TAKEOFF WAS ABORTED. THE ENGINE WILL BE REMOVED AND SENT FOR EVALUATION U - [SDR CA040227003](https://openairdocs.org/sdr/CA040227003), Feb 6, 2004: CARBURETOR. OUT OF ADJUST. (CAN) AIRCRAFT LANDED AND THROTTLES RETURNED TO IDLE, THE NR 2 ENGINE LOADED UP AS IF IT WAS EXCESSIVELY RICH AND THE ENGINE STOPPED. IT WAS IN TAXI PHASE SO TH - [SDR CA040112004](https://openairdocs.org/sdr/CA040112004), Jan 12, 2004: ENGINE. FAILED. (CAN) DURING CLIMB THE PILOT NOTICED THE RT ENGINE OIL TEMPERATURE WAS INCREASING SIGNIFICANTLY. THE ENGINE WAS SHUT DOWN AND FLIGHT CARRIED OUT WITHOUT INCIDEN - [SDR AUS20031154](https://openairdocs.org/sdr/AUS20031154), Nov 11, 2003: CYLINDER. FAILED. (AUS) NR 12 CYLINDER FAILED. LIMITED INFORMATION PROVIDED. - [SDR CA030521007](https://openairdocs.org/sdr/CA030521007), May 16, 2003: EXHAUST ROCKER. CRACKED. (CAN) DURING CRUISE THE CREW NOTICED A SLIGHT VIBRATION IN THE LT ENGINE. UPON LANDING A VISUAL INSPECTION WAS CARRIED OUT AND THE NR 11 CYLINDER WAS FOUND TO B - [SDR CA030228012](https://openairdocs.org/sdr/CA030228012), Feb 20, 2003: CYLINDER. CRACKED. (CAN) DURING DESCENT INTO YAM WITH POWER BACK, OIL WAS NOTED ON RT NACELLE AREA. UPON LANDING UNEVENTFULLY, THE NR 1 CYLINDER WAS FOUND CRACKED. THE CYLINDER WA - [SDR GSH2002F00000](https://openairdocs.org/sdr/GSH2002F00000), May 5, 2002: CYLINDER HEAD. SPLIT. ENGINE FIRE DURING ATTEMPT AT RESTART ON RAMP. CREW FOUND INDUCTION PIPE MISSING ON NR 11 CYLINDER. FURTHER EXAMINATION ON MAY 2 REVEALED HEAD SPLIT FROM CYLIND - [SDR GSH2002F00001](https://openairdocs.org/sdr/GSH2002F00001), May 5, 2002: STUD. SHEARED. CYLINDER BASE STUDS ON NR 8 CYLINDER SHEARED OFF, ALLOWING CYLINDER TO PULL OFF OF CYLINDER BASE SPIGOT. WHEN THE CYLINDER GOT FAR ENOUGH OFF THE SPIGOT, THE BO - [SDR AUS20020627](https://openairdocs.org/sdr/AUS20020627), Apr 22, 2002: CYLINDER. SEPARATED. (AUS) RH ENGINE NO13 CYLINDER HEAD SEPARATED. INVESTIGATION FOUND THATTHE FRACTURE OCCURRED APPROXIMATELY 25.4MM (1IN) BELOW THEHEAD/BARREL JOIN AND WAS TEMPERA - [SDR AUS20020081](https://openairdocs.org/sdr/AUS20020081), Jan 25, 2002: ENGINE. MAKING METAL. (AUS) LT ENGINE OIL FILTER CONTAMINATED WITH METAL. - [SDR AUS20011349](https://openairdocs.org/sdr/AUS20011349), Dec 17, 2001: ENGINE. MAKING METAL. (AUS) RT ENGINE OIL FILTER METAL CONTAMINATION. - [SDR AUS20011044](https://openairdocs.org/sdr/AUS20011044), Sep 30, 2001: LINE. CRACKED. (AUS) LANDING GEAR HYDRAULIC DOWNLINE, PRESSURE SIGNAL LINE FLARE IS CRACKED AT ATTACHMENT TO PRESSURE GAUGE. - [SDR AUS20010946](https://openairdocs.org/sdr/AUS20010946), Aug 29, 2001: ENGINE. MAKING METAL. (AUS) RT ENGINE OIL PRESSURE DECREASED AND TEMPERATURE INCREASED. INVESTIGATION FOUND EXTENSIVE METAL CONTAMINATION. ENGINE WAS ON A TEST FLIGHT FOR RT ENGINE I - [SDR AUS20010845](https://openairdocs.org/sdr/AUS20010845), Jul 14, 2001: ENGINE. MAKING METAL. (AUS) LT ENGINE OIL FILTER METAL CONTAMINATION. ENGINE CHANGED. - [SDR CA010820009](https://openairdocs.org/sdr/CA010820009), Jun 19, 2001: CYLINDER HEAD. CRACKED. (CAN) NO. 11 CYLINDER HEAD CRACKED CYLINDER REPLACED. A/C RETURNED TO SERVICE. ON A TRAINING FLIGHT FLIGHT, ONE WATER PICK UP WAS CARRIED OUT, LOAD WAS DROPPED - [SDR AUS20010636](https://openairdocs.org/sdr/AUS20010636), Jun 17, 2001: MASTER ROD. FAILED. (AUS) RT ENGINE NR 5 CYLINDER MASTER ROD FAILED AT BASE. LOSS OF ENGINEOIL. - [SDR CA010629040](https://openairdocs.org/sdr/CA010629040), Jun 8, 2001: TORQUE TUBE. CORRODED. (CAN) NOSE GEAR DOOR TORQUE TUBES REMOVED FOR INSPECTION DUE TO THE PROMPTING OF A SERVICE DIFFICULTY ADVISORY. THE CONDITION PREDICTED IN THE ADVISORY (CORROSI - [SDR AU010215](https://openairdocs.org/sdr/AU010215), Mar 16, 2001: CYLINDER. SEPARATED. (AUS) RT ENGINE NNR 1 CYLINDER UPPER BARREL AND HEAD SEPARATED. DAMAGE TO PISTON, RINGS, BARREL, INDUCTION TUBE AND PUSHROD TUBE. OIL FILTER METAL CONTAMINATION - [SDR AU001223](https://openairdocs.org/sdr/AU001223), Dec 22, 2000: BRACKET. CORRODED. (AUS) RUDDER HINGE BRACKETS CORRODED. - [SDR AU001089](https://openairdocs.org/sdr/AU001089), Nov 13, 2000: ACCUMULATOR. LEAKING. (AUS) HYDRAULIC ACCUMULATOR DIAPHRAGM LEAKING FLUID. - [SDR AU000823](https://openairdocs.org/sdr/AU000823), Sep 3, 2000: ACCUMULATOR. FAULTY. (AUS) HYDRAULIC ACCUMULATOR FAULTY. - [SDR AU000635](https://openairdocs.org/sdr/AU000635), Sep 1, 2000: BRACKET. CRACKED. (AUS) UPPER RUDDER HINGE MOUNT BRACKET CRACKED AND CORRODED. - [SDR AU000636](https://openairdocs.org/sdr/AU000636), Sep 1, 2000: SKIN. CORRODED. (AUS) LT AND RT WING UPPER CORRUGATED SKIN LOCATED JUST INBOARD OF STN 142 CONTAINED SURFACE CORROSION AND ISOLATED EXFOLIATION CORROSION. - [SDR 20000817SH004](https://openairdocs.org/sdr/20000817SH004), Aug 4, 2000: CYLINDER. CRACKED. WHILE EN ROUTE, LEFT ENGINE STARTED TO RUN ROUGH. PILOT FEATHERED PROPELLER AND SECURED ENGINE. AN UNEVENTFUL LANDING WAS MADE. MAINTENANCE FOUND NR 1 CYLINDER - [SDR CA000808012](https://openairdocs.org/sdr/CA000808012), Jul 28, 2000: LINE. CORRODED. (CAN) HOSE REMOVED DUE ON CONDITION STATUS WHICH IS UNKNOWN. OUTER RUBBER FALLING OFF AND BRAIDING EXPOSED AND RUST CORROSION ON BRAIDING FULL LENGTH OF HOSE, F - [SDR CA000719012](https://openairdocs.org/sdr/CA000719012), Jul 8, 2000: CYLINDER. CRACKED. (CAN) DURING CLIMB OUT , THE RIGHT ENGINE STARTED TO RUN ROUGH. THE PILOT FEATHERED THE ENGINE AND RETURNED TO YELLOWKNIFE .MAINTENANCE FOUND 2 CRACKS AT THE EX - [SDR 20000821SH006](https://openairdocs.org/sdr/20000821SH006), Jun 19, 2000: SCAVENGE PUMP. FAILED. TRI - ON DEPARTURE, EXCESSIVE AMOUNTS OF OIL STARTED TO BLOW OUT OF CRANKCASE BREATHER. FOUND METAL IN SCREEN. SUBMITTER SUSPECTED NOSE SCAVANGE PUMP FAILURE. ( - [SDR 20000717SH020](https://openairdocs.org/sdr/20000717SH020), Jun 9, 2000: ENGINE. FAILED. AIRCRAFT WAS IN CRUISE. RIGHT ENGINE STARTED RUNNING ROUGH AND HAD A MINOR LOSS IN POWER. POWER WAS DECREASED AND OIL PRESSURE DROPPED TO MINIMUM REDLINE. METAL - [SDR AU000464](https://openairdocs.org/sdr/AU000464), Jun 7, 2000: BRACKET. WORN. (AUS) LANDING GEAR REAR STRUT ATTACHMENT ''Y'' BRACKETS HAD MOUNTING HOLES DRILLED OVERSIZE. FOUND DURING INSPECTION IAW AD/DC3/31 AMDT2. - [SDR AU000465](https://openairdocs.org/sdr/AU000465), Jun 7, 2000: SKIN. CORRODED. (AUS) CENTER SECTION UPPER CORRUGATED SKIN CRACKED AND CORRODED IN AN AREA LOCATED NEAR THE AIRCRAFT CENTRELINE INBOARD OF STN 7.5 BETWEEN THE CENTRE AND REAR S - [SDR 20000503SH048](https://openairdocs.org/sdr/20000503SH048), Apr 12, 2000: HOSE. SPLIT. WHILE IN-FLIGHT, THE CREW NOTICED OIL PRESSURE STARTING TO GRADUALLY DROP. SHUT DOWN ENGINE AND FEATHERED PROPELLER. MAINTENANCE FOUND NR 8 CYLINDER CROSS-CONNE - [SDR AU000178](https://openairdocs.org/sdr/AU000178), Mar 3, 2000: BRACKET. CORRODED. (AUS) ELEVATOR ATTACHMENT BRACKETS CORRODED. - [SDR 99ZZZX4686](https://openairdocs.org/sdr/99ZZZX4686), Nov 26, 1999: ENGINE. MALFUNCTIONED. EN ROUTE FROM MWO/BAK - RIGHT ENGINE OIL TEMP AND OIL PRESSURE WENT TO RED LINE. RETURNED TO GWO. SUSPECT MASTER ROD HEAVILY FAILURE. - [SDR 99ZZZX4423](https://openairdocs.org/sdr/99ZZZX4423), Nov 11, 1999: ENGINE. MAKING METAL. AFTER DEPARTURE FROM MWO, RIGHT ENGINE OIL TEMPERATURE INCREASED AND OIL PRESSURE DROPPED TO REDLINE. AIRCRAFT RETURNED TO MWO. METAL FOUND IN OIL SCREEN. SUBMI - [SDR 99ZZZX4016](https://openairdocs.org/sdr/99ZZZX4016), Sep 27, 1999: CAMSHAFT. FAILED. IN CRUISE FLIGHT, ENGINE STARTED TO RUN ROUGH. ENGINE SHUT DOWN AND PROP FEATHERED. MAINTENANCE FOUND NO COMPRESSION ON REAR CYLINDERS. SUBMITTER SUSPECTED REAR All 97: https://openairdocs.org/engine/pratt-whitney-r-1830-92/reports.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.