# Pratt & Whitney Canada PT6T-3

- Type: Engine model (FAA registry)
- Registry code: 52102
- Manufacturer (registry): P&W CANADA
- Model: PT6T-3
- Engine type: Turbo-shaft
- Power: 900 hp
- Data sheet: [TCDS E22EA](https://openairdocs.org/tcds/E22EA) (OpenAirDocs)
- Holder: Pratt & Whitney Canada Corp.
- Installed in: 8 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-canada-pt6t-3

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.

- [AD 79-11-03](https://openairdocs.org/ad/79-11-03): Automatic Fuel Control · Pratt & Whitney Canada PT6T-3 and PT6T-6. Effective May 31, 1979
- [AD 78-17-05](https://openairdocs.org/ad/78-17-05): Automatic Fuel Control Unit · Pratt & Whitney Canada PT6T-3, PT6T-3A and PT6T-6. Effective Aug 31, 1978
- [AD 76-02-08](https://openairdocs.org/ad/76-02-08): Fuel Pump · Pratt & Whitney Canada PT6T-3, PT6T-3A and PT6T-6. Effective Feb 5, 1976

## Registered aircraft (8)

- [N16930](https://openairdocs.org/aircraft/N16930): [Temsco Helicopters Inc](https://openairdocs.org/faa-owner/TEMSCO%20HELICOPTERS%20INC), [Ketchikan, AK](https://openairdocs.org/faa-place/AK/Ketchikan), built 1980, S/N 30920
- [N212HL](https://openairdocs.org/aircraft/N212HL): [Rogers Helicopters Inc](https://openairdocs.org/faa-owner/ROGERS%20HELICOPTERS%20INC), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), built 1974, S/N 30621
- [N21844](https://openairdocs.org/aircraft/N21844): [Los Angeles Police Dept Air Support Division](https://openairdocs.org/faa-owner/LOS%20ANGELES%20POLICE%20DEPT%20AIR%20SUPPORT%20DIVISION), [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles), built 1999, S/N 36229
- [N376PA](https://openairdocs.org/aircraft/N376PA): [Pathfinder Leasing LLC](https://openairdocs.org/faa-owner/PATHFINDER%20LEASING%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1978, S/N 30886
- [N4247V](https://openairdocs.org/aircraft/N4247V): [Sh1p Holdings LLC](https://openairdocs.org/faa-owner/SH1P%20HOLDINGS%20LLC), [Wichita, KS](https://openairdocs.org/faa-place/KS/Wichita), S/N 58-1547
- [N508EH](https://openairdocs.org/aircraft/N508EH): [Hilcorp Equipment LLC](https://openairdocs.org/faa-owner/HILCORP%20EQUIPMENT%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1979, S/N 30908
- [N815SS](https://openairdocs.org/aircraft/N815SS): [Hilcorp Equipment LLC](https://openairdocs.org/faa-owner/HILCORP%20EQUIPMENT%20LLC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 1979, S/N 30950
- [N88HV](https://openairdocs.org/aircraft/N88HV): [Appomattox Aviation LLC](https://openairdocs.org/faa-owner/APPOMATTOX%20AVIATION%20LLC), [Santa Fe, NM](https://openairdocs.org/faa-place/NM/Santa%20Fe), built 1980, S/N 31118

## NTSB investigations (7)

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 GAA20CA063](https://openairdocs.org/ntsb/GAA20CA063), Nov 10, 2019: Sikorsky S 58JT (N827MW), Lebanon, IN, substantial damage. Probable cause: The pilot's failure to maintain proper clearance from a tractor trailer during landing.
- [NTSB NYC08LA129](https://openairdocs.org/ntsb/NYC08LA129), Mar 9, 2008: Sikorsky S-58HT (N1078T), Belmont, WV, substantial damage. Probable cause: The fatigue failure of a tail rotor blade during an external load lift.
- [NTSB DEN00LA045](https://openairdocs.org/ntsb/DEN00LA045), Jan 29, 2000: Bell 212 (N212HQ), Mt Pleasant, UT, substantial damage. Probable cause: Failure of the main rotor mast due to fatigue that resulted from inadequate quality assurance during the manufacturing process.
- [NTSB FTW99LA162](https://openairdocs.org/ntsb/FTW99LA162), Jun 9, 1999: Bell 412 (N3893S), Eugene Is. 313, substantial damage. Probable cause: The separation of a section of the tail rotor blade, and subsequent separation of the tail rotor system, as a result of fatigue cracking due to corrosion in the tail rotor blade spar.
- [NTSB SEA99LA141](https://openairdocs.org/ntsb/SEA99LA141), Apr 26, 1999: Bell 212 (N98W), Snoqualmie, WA, substantial damage. Probable cause: Clearance from an object was not maintained. A tree was a factor.
- [NTSB FTW91FA155](https://openairdocs.org/ntsb/FTW91FA155), Aug 26, 1991: Bell 412 (N3909F), Garden Banks, substantial damage, 1 fatal. Probable cause: OVERHEATING AND SUBSEQUENT FAILURE OF THE NUMBER ONE TAIL ROTOR HANGER BEARING FOR AN UNDETERINED REASON, AND FAILURE OF THE TAIL ROTOR DRIVE SHAFT.
- [NTSB DEN77FA005](https://openairdocs.org/ntsb/DEN77FA005), Oct 17, 1976: Bell B-212 (N398EH), Casper, WY, substantial damage

## FAA accident and incident reports (15)

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.

- [Accident 20191110020969A](https://openairdocs.org/incident/20191110020969A), Nov 10, 2019: Sikorsky S-58JT (N827MW), Lebanon, IN, Substantial damage. On November 10, 2019, N827MW, a Sikorsky SK-58JT, departed indianapolis metropolitan airport, (kump) enroute to Lebanon, IN for part 133 heavy lift operations.…
- [Accident 20080309837509A](https://openairdocs.org/incident/20080309837509A), Mar 9, 2008: Skrsky S58HT (N1078T), Belmont, WV, Substantial damage. (-23) The helicopter was removing equipment from the top of an operating 620' smoke stack. During the fifth of six scheduled picks and at approximately 500'…
- [Incident 20051217029639I](https://openairdocs.org/incident/20051217029639I), Dec 17, 2005: Bell 212 (N5410N), Galveston, TX, Minor damage. (-23) During a training flight a #1 hydraulics failure was simulated. The aircraft was at 700 feet MSL, 80 knots and 55% torque when the #1 hydraulics system…
- [Incident 20000728025769I](https://openairdocs.org/incident/20000728025769I), Jul 28, 2000: Bell 212 (N215EL), Bozeman, MT. (-23) The a/c was being operated under public use by the U.S. Forest service conducting a fire fighting mission. Helicopter was going in for a water drop when…
- [Accident 20000129005699A](https://openairdocs.org/incident/20000129005699A), Jan 29, 2000: Bell 212 (N212HQ), Mount Pleasant, UT, No damage. (-23) On January 29, 2000, at approximately 1347 MST, a bht 212 helicopter piloted by daniel d. gauthier, certificate 2590780, was demolished when the main…
- [Accident 19990609045549A](https://openairdocs.org/incident/19990609045549A), Jun 9, 1999: Bell 412 (N3893S), Patterson, LA, No damage. (-23)The tail rotor and tail rotor assembly separated from the aircraft during flight over the gulf of Mexico after a tail rotor blade failed. The flight crew…
- [Accident 19990426040399A](https://openairdocs.org/incident/19990426040399A), Apr 26, 1999: Bell 212 (N98W), Snoqualmie, WA, No damage. (-23)During a hover maneuver in an external load operations, the main rotor blade made contact with a tree branch.
- [Accident 19910826036769A](https://openairdocs.org/incident/19910826036769A), Aug 26, 1991: Bell 412 (N3909F), Gardenbanks Blk, LA, Substantial damage, 1 fatal. Tail rotor drive shaft hanger bearing failed. Spun into water and rolled on landing. Improper bearing cleaning.
- [Incident 19881121065839I](https://openairdocs.org/incident/19881121065839I), Nov 21, 1988: Bell 412 (N3909F), Gulf Of Mexico, LA, Minor damage. Smoke from center console followed by other electrical problems. Circuit breaker popped. Bellcrank chaffing on wire
- [Incident 19880817057809I](https://openairdocs.org/incident/19880817057809I), Aug 17, 1988: Bell 412 (N2261D), Gulf Of Mexico, LA, Minor damage. NR1 generator failed. NR2 VHF radio inoperative. Overhead circuit breaker panel sparking. Wire bundle damaged.
- [Incident 19841202073499I](https://openairdocs.org/incident/19841202073499I), Dec 2, 1984: Skrsky S58* (N4247V), Chicago, IL, Minor damage. Precautionary landing due to severe compressor stall and power loss. FOD to compressor rotor, power turbine sec.
- [Incident 19841129067539I](https://openairdocs.org/incident/19841129067539I), Nov 29, 1984: Skrsky S58* (N4247V), Champaign, IL, Minor damage. While maneuvring external load microwave antenna a gust of wind caused load to swing. Cargo hook dropped load.
- [Incident 19830623037639I](https://openairdocs.org/incident/19830623037639I), Jun 23, 1983: Skrsky S58ET (N39175), Willowbrook, IL, Substantial damage. Entered ground resonance on engine and rotor test. Unable to lift off due to power limited for test. Collapsed gear
- [Incident 19820314011609I](https://openairdocs.org/incident/19820314011609I), Mar 14, 1982: Bell 212 (N8530B), Houston, TX. Mechanical hook malfunction caused release of sling load. Microwave disc antenna dropped to roof.
- [Accident 19761017042139A](https://openairdocs.org/incident/19761017042139A), Oct 17, 1976: Bell 212 (N398EH), Casper, WY, Substantial damage. Inadvertant and/or unrecognized rotor system over speed. No.4 tail rotor drive shft crit. Spd. Low

## Service difficulty reports (421, newest 50)

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

- [SDR 2026FA0000648](https://openairdocs.org/sdr/2026FA0000648), Aug 17, 2026: COUPLING. CRACKED. CRACKED AROUND METAL ON COUPLING
- [SDR 2025FA0000642](https://openairdocs.org/sdr/2025FA0000642), Sep 12, 2025: STATIC INVERTER. OVERHEATED. THE CREW CAME OUT FOR A TRAINING FLIGHT, STARTED THE AIRCRAFT JUST FINE AND IDLED ON DECK FOR A FEW MINUTES. UPON TAKE OFF THE #1 INVERTER SWITCH TURNED ITSELF 
- [SDR RV1R2020010800019](https://openairdocs.org/sdr/RV1R2020010800019), Sep 30, 2019: ELASTOMER. FAILED. FAILED ELASTOMER FOUND DURING REMOVAL FOR MAST SEAL REPLACEMENT. THIS PART CAN ONLY BE INSPECTED WITH MR HUB DISASSEMBLED AND THE ONLY REQUIREMENT FOR THIS INSP
- [SDR 2019FA0000239](https://openairdocs.org/sdr/2019FA0000239), Aug 1, 2019: BELLCRANK. LOOSE. THE HELICOPTER EXPERIENCED A TORQUE AND RPM FLUCTUATION SHORTLY AFTER TAKE-OFF. A FAULTY AUTOMATIC FUEL CONTROL UNIT WAS REPLACED. DURING THE ENGINE RIGGING PRO
- [SDR CA190622001](https://openairdocs.org/sdr/CA190622001), Jun 14, 2019: AMPLIFIER. FAILED. (CAN) IT WAS REPORTED TO BELL:DURING BUCKETING OPERATIONS AT APPROX 300 FEET ABOVE GROUND LEVEL, THE PILOT OBSERVED THAT THE #2 ENGINE FIRE LIGHT HAD ILLUMINATE
- [SDR QMLA2016072516085](https://openairdocs.org/sdr/QMLA2016072516085), Jul 25, 2016: WINDSHIELD. CRACKED. ON NR 1 ENGINE START UP THE CO-PILOT WINDSCREEN CRACKED APPROX. 28" ALONG THE LOWER EDGE. THE PILOT SHUT DOWN THE ENGINE AND WROTE UP THE DISCREPANCY. MECHANICS
- [SDR CA160126003](https://openairdocs.org/sdr/CA160126003), Jan 25, 2016: HANGER ASSY. CRACKED. (CAN) CRACKS WERE FOUND ON EACH BOLT HOLE THAT CONNECTS THE TAIL ROTOR DRIVESHAFT HANGER BEARING AND COUPLING ASSY, PN 212-040-600-009 TO THE TAIL BOOM HANGER F
- [SDR CA151110008](https://openairdocs.org/sdr/CA151110008), Nov 3, 2015: FILTER. FAILED. (CAN) DURING A ROUTINE 100 HR P3 FILTER INSPECTION THE ENGINEER REMOVED THE P3 FILTER FROM THE POWER SECTION AND NOTICED THE SCREEN MATERIAL HAD SEPARATED FROM 
- [SDR CA151103005](https://openairdocs.org/sdr/CA151103005), Oct 26, 2015: CARGO HOOK. FAILED. (CAN) INADVERTENT RELEASE OF A LOAD DURING LONGLINE OPERATION. SUSPECT THAT THE SWIVEL USED DID NOT OPERATE CORRECTLY AND IN TURN ALLOWED THE LONGLINE TO TWIST 
- [SDR CA150911005](https://openairdocs.org/sdr/CA150911005), Sep 2, 2015: ENGINE. POWER LOSS. (CAN) WHILE ON APPROACH THE ACFT LOST POWER FROM NR 2ENGINE. CREW MADE A EMERGENCY CALL OUT AND TOOK APPROPRIATE EMERGENCY ACTION TO STABILIZE THE FLIGHT FOR SI
- [SDR CA150820005](https://openairdocs.org/sdr/CA150820005), Aug 12, 2015: FUEL CONTROL. MALFUNCTIONED. (CAN) ACFT WAS LANDING WHEN 1 OF ITS ENGINES LOST POWER. PILOT THEN LANDED THE ACFT UNEVENTFULLY. P3 LINE WAS FOUND BROKEN. THE TUBING WAS REPLACED AND ACFT RET
- [SDR CA150727014](https://openairdocs.org/sdr/CA150727014), Jul 24, 2015: CLUTCH. SLIPPED. (CAN) ON HOIST OPERATION, THE RESCUE SPECIALIST REPORTED A SLIPPAGE FROM THE HOIST CABLE WHILE DESCENDING ON THE SITE. THE UNIT IS NOT INCLUDED IN THE LIST OF A
- [SDR CA150709001](https://openairdocs.org/sdr/CA150709001), Jun 26, 2015: BEARING. SEPARATED. (CAN) THE QUALITY OF RIDE IN THE HELICOPTER DEGRADED AND THE HUMS SYSTEM ALSO HAD INDICATED AN ISSUE. DURING THE INVESTIGATION, IT WAS FOUND THAT THE PIVOT BEAR
- [SDR CA150710012](https://openairdocs.org/sdr/CA150710012), Jun 25, 2015: ENGINE. FAILED. (CAN) DURING APPROACH AT 400-500 FT ALTITUDE, PILOT HEARD A BANGING SOUND, NR 2 ENGINE OIL PRESSURE DROPPED, TEMPERATURE WAS RAISING, CHIP LIGHT ILLUMINATED. PI
- [SDR CA150529005](https://openairdocs.org/sdr/CA150529005), May 27, 2015: CROSSTUBE. BROKEN. (CAN) CROSS TUBE BROKE AT LT AIRFRAME SUPPORT, UNDER THE STEEL WEAR PLATES.
- [SDR CA150602010](https://openairdocs.org/sdr/CA150602010), May 16, 2015: ENGINE. OVERTEMP. (CAN) REPORTED THAT DURING A TRAINING FLIGHT, ENGINE NR 1 OVERTEMPED WHEN GOVERNOR WAS SWITCHED FROM AUTO TO MAN WITH N1 AT 70 PERCENT. GROUND INSPECTION PERFOR
- [SDR CA150325021](https://openairdocs.org/sdr/CA150325021), Mar 19, 2015: PACKING. LEAKING. (CAN) DURING A ROUTINE PASSENGER FLIGHT, AT FULL THROTTLE, AN OIL PRESSURE CAUTION WARNING CAME ON FOLLOWED BY AN ITT SURGE ABOVE 900 DEG C. CREW ELECTED TO SHU
- [SDR CA141202017](https://openairdocs.org/sdr/CA141202017), Nov 8, 2014: COMPRESSOR. DAMAGED. (CAN) ACFT CAME BACK FROM A FLIGHT FOR REFUEL. ENGINE START AFTER THE REFUEL WAS OK. AS THE PILOT STARTED PULLING THE COLLECTIVE, THE LT PS WAS SURGING/VIBRATIO
- [SDR CA141202002](https://openairdocs.org/sdr/CA141202002), Nov 3, 2014: ENGINE. MAKING METAL. (CAN) BEFORE TAKEOFF, PILOT REPORTED THAT THE CHIP DETECTOR CAUTION LIGHT WAS ILLUMINATED, THUS THE PILOT PROCEEDED TO SHUTDOWN THE ENGINE AND THE FLIGHT WAS AB
- [SDR 9EKA20141030012](https://openairdocs.org/sdr/9EKA20141030012), Oct 29, 2014: OIL COOLER. CRACKED. DURING 1000 HOUR INSPECTION OF OIL COOLERS MULTIPLE CRACKS ON VANE WELDS WERE FOUND.
- [SDR CA140917001](https://openairdocs.org/sdr/CA140917001), Sep 16, 2014: PRESSURE SWITCH. LEAKING. (CAN) DURING POST FLIGHT INSPECTION NR 1 ENGINE DECK WAS FOUND TO HAVE FOIL/OIL RESIDUE ON IT BUT NO SOURCE OF THE LEAK WAS FOUND. WITH THE INDUCTION COWL REMOV
- [SDR CA140908028](https://openairdocs.org/sdr/CA140908028), Sep 4, 2014: YOKE. UNSERVICEABLE. (CAN) DURING THE DAILY INSPECTION IT WAS NOTICED THAT 1 TAIL ROTOR YOKE FEATHERING BEARING OUTER RACE STAKE HAD FAILED. UPON FURTHER INVESTIGATION ALL 4 TAIL RO
- [SDR CA140721023](https://openairdocs.org/sdr/CA140721023), Jul 19, 2014: FITTING. CRACKED. (CAN) WHILE PERFORMING A DAILY INSPECTION OF THE ACFT, THE AME NOTICED A THIN BLACK LINE ON THE OUTER END OF THE DRAG BRACE FITTING. AFTER FURTHER INVESTIGATION
- [SDR CA140716009](https://openairdocs.org/sdr/CA140716009), Jul 13, 2014: CROSSTUBE. CRACKED. (CAN) PILOT ON FIRE FIGHTING OPERATIONS HEARD LOUD SNAP SOUND ON LANDING AND ABORTED THE TAKE-OFF. HIGH FORWARD CROSSTUBE FOUND CRACKED OTBD OF LT SADDLE FITTIN
- [SDR CA140710003](https://openairdocs.org/sdr/CA140710003), Jul 8, 2014: TORQUE TUBE. SHEARED. (CAN) DURING A NORMAL APPROACH OF 75% TORQUE THE PILOT NOTICED THE MAST TORQUE INCREASE TO OVER 110% WHILE THE ENGINE TORQUES REMAINED UNCHANGED. HE LANDED IN A
- [SDR CA140701013](https://openairdocs.org/sdr/CA140701013), Jun 28, 2014: OIL SYSTEM. FAILED. THE ENGINE NR 2 LOST OIL IN FLIGHT. THE PILOT PERFORMED AN IFSD OF ENGINE NR 2 AND AN UNEVENTFUL EMERGENCY LANDING WITH 1 ENGINE INOPERATIVE (OEI). ON GROUND TR
- [SDR SAJF2014062603020](https://openairdocs.org/sdr/SAJF2014062603020), Jun 16, 2014: ENGINE. LEAKING. DURING FLIGHT AFTER 5 HOURS AFTER TAKEOFF, THE PILOT OBSERVED LOW OIL QTY ON NR 2 ENG & NORMAL OIL PRESS WAS MAINTAINED. AFTER INTERVAL DISCUSSION, PILOT CHOSE 
- [SDR CA140602018](https://openairdocs.org/sdr/CA140602018), May 8, 2014: GEARBOX. MAKING METAL. (CAN) THE PILOT SHUTDOWN THE ENGINES AND ABORTED THE TAKEOFF DUE TO A CHIP DETECTOR INDICATION ON THE COMBINING GEARBOX.
- [SDR CA140826021](https://openairdocs.org/sdr/CA140826021), Mar 23, 2014: COTTER PIN. OBSTRUCTED. (CAN) DURING A TRAINING FLIGHT, PILOTS NOTICED THAT ENGINE NR 2 FAIL WARNING LIGHT APPEARED. ITT WAS 136 CELSIUS. PILOTS STARTED EMERGENCY PROCEDURE AND THE HEL
- [SDR CA140305006](https://openairdocs.org/sdr/CA140305006), Mar 5, 2014: BEARING. FAILED. (CAN) ON A COMBINING GEAR BOX REMOVAL, AME NOTICED A LARGE AMOUNT OF BLACK FRETTING MATERIAL BETWEEN THE C BOX AND BLOWER JOINT FLANGE. ONCE CLEANED UP THE AME 
- [SDR CA140224024](https://openairdocs.org/sdr/CA140224024), Feb 13, 2014: BEARING. FAILED. (CAN) ON C BOX REMOVAL THE OIL COOLER BLOWER ON NR 2 SIDE HAD BOTH FWD AND REAR BEARINGS BEGINNING TO FAIL. GREASE HAD BEEN EJECTED FROM FWD BEARING ALONG WITH 
- [SDR CA131216016](https://openairdocs.org/sdr/CA131216016), Dec 13, 2013: FRAME. CRACKED. (CAN) WHILE SCHEDULED MAINTENANCE WAS CARRIED OUT ON THE STABILIZER BAR, THE CENTER FRAME WHICH HAS 111.3 HRS REMAINING TO IT`S SCHEDULED RETIREMENT LIFE OF 10,
- [SDR CA131216002](https://openairdocs.org/sdr/CA131216002), Dec 3, 2013: COUPLING. LOOSE. (CAN) THE PILOT REPORTED THAT BOTH POWER SECTION CHIP LIGHTS CAME ON IN FLIGHT. HE DECLARED AN EMERGENCY AND LANDED. MAINTENANCE FOUND A LITTLE FUZZ ON BOTH CHI
- [SDR CA131118006](https://openairdocs.org/sdr/CA131118006), Nov 5, 2013: GEAR. FAILED. (CAN) THE ACFT RETURNED TO BASE WITHOUT COMPLETING ITS MISSION DUE TO ENGINE NR 2 CHIP WARNING. THE AFFECTED POWER SECTION WAS APPARENTLY SHUTDOWN. POST FLIGHT 
- [SDR CA131007008](https://openairdocs.org/sdr/CA131007008), Sep 29, 2013: FUEL HEATER. LEAKING. (CAN) SIGNIFICANT FUEL LEAK NOTED ON NR 1 ENGINE DURING GROUND OPERATIONS. LEAK CONFIRMED AS CRACKED WELD ON OIL TO FUEL HEATER.
- [SDR CA130920017](https://openairdocs.org/sdr/CA130920017), Sep 20, 2013: BEARING. BROKEN. (CAN) UPON DISASSEMBLY OF POWER TURBINE, THE NR 4 MAIN BEARING WAS FOUND WITH 2 OF THE 4 MOUNTING CORNERS BROKEN OFF AND A 3RD CRACKED. THERE WAS SOME WEAR ON T
- [SDR CA130911017](https://openairdocs.org/sdr/CA130911017), Sep 4, 2013: ENGINE. SHUTDOWN. (CAN) JUST AFTER TAKEOFF, THE PILOT ELECTED TO PERFORM AN ENGINE SHUTDOWN. THE REASON OF THE FORCED ENGINE SHUTDOWN IS UNKNOWN.
- [SDR CA131104006](https://openairdocs.org/sdr/CA131104006), Jul 23, 2013: BEARING. WORN. (CAN) POWER SECTION WAS REMOVED FROM OPERATORS ACFT DUE TO METAL GENERATION. THIS ENGINE HAD A TSN OF 1415.93 AND WAS IN FOR ITS FIRST SHOP VISIT SINCE MFG. THE
- [SDR CA130815004](https://openairdocs.org/sdr/CA130815004), Jul 20, 2013: ROD END. WORN. (CAN) BEARING LINER GONE, EXCESSIVE WEAR BETWEEN BALL AND BEARING OUTER HSG.
- [SDR CA130726004](https://openairdocs.org/sdr/CA130726004), Jul 19, 2013: BLADE. DEBONDED. (CAN) WHILE CARRYING OUT A 25 HOUR INSPECTION, PERFORMED A TAP TEST WITH A BELL TAP HAMMER, FOUND THE EROSION STRIP PARTIALLY DEBONDED. TAIL ROTOR HUB AND BLADE
- [SDR CA130410013](https://openairdocs.org/sdr/CA130410013), Apr 10, 2013: FUEL LINE. CHAFED. (CAN) DURING A AFCU REPLACEMENT ON NR 1 ENGINE, THE FUEL TUBE, FROM AFCU TO MFCU WAS FOUND CHAFING ON BRAKET, PN 412-060-024-101, PARTS OF TB 212-11-211.
- [SDR CA130416012](https://openairdocs.org/sdr/CA130416012), Apr 4, 2013: ENGINE. SHUTDOWN. (CAN) IN PREPARATION OF THE ENGINE SHUTDOWN, ENGINES THROTTLES WERE BROUGHT DOWN TO FLIGHT IDLE, APPROXIMATELY 80 PERCENT NR, ALLOWING FOR COOLING PERIOD. ALL O
- [SDR CA130327004](https://openairdocs.org/sdr/CA130327004), Mar 18, 2013: INVERTER. FAILED. (CAN) DURING A TRAINING FLIGHT THE INVERTER FAILURE NR 2 WARNING LIGHT CAME ON. AT APPROXIMATELY THE SAME TIME SMOKE WAS DETECTED IN THE CABIN. EMERGENCY WAS DE
- [SDR CA130128024](https://openairdocs.org/sdr/CA130128024), Jan 28, 2013: WIRE. CHAFED. (CAN) PILOT REPORTED LATERAL CYCLIC IMPULSES FELT IN ALL FLIGHT REGIMES WITH AUTO PILOT SELECTED ON ONLY. EXTENSIVE TROUBLESHOOTING WAS CARRIED OUT OVER A 3 WEE
- [SDR CA130117002](https://openairdocs.org/sdr/CA130117002), Dec 31, 2012: BLADES. BROKEN. (CAN) AFTER TAKING OFF FROM HELIPAD AT 400 FT ABOVE GROUND LEVEL, AN ABNORMAL NOISE SIMILAR TO ENGINE SURGE NOISE WAS HEARD BY PILOTS FOLLOWED BY ODOR OF FUEL I
- [SDR CA121206003](https://openairdocs.org/sdr/CA121206003), Dec 4, 2012: FITTING. WORN. (CAN) UPON PURGING WITH GREASE OF THE MAIN ROTOR GRIP IT WAS NOTICED THAT GREASE WOULD NOT COME OUT OF THE VENT FITTING AT THE TOP OF THE GRIP. THE ROTOR HUB WA
- [SDR CA121115006](https://openairdocs.org/sdr/CA121115006), Nov 10, 2012: LINK. FAILED. (CAN) DURING 600 HR INSPECTION OF ACFT, LIFT LINK BEARINGS WERE FOUND SPINNING WITHIN BORE. OEM HAS NO REQUIRED INSPECTION OF THIS COMPONENT AND THIS IS NOT AN 
- [SDR CA121022005](https://openairdocs.org/sdr/CA121022005), Sep 27, 2012: LINE. BROKEN. (CAN) THIS HELICOPTER HAS EXPERIENCED ITS SECOND BROKEN P3 AIR LINE, IN 600 HOURS ON ENGINE NR 1. THE PREVIOUS EVENT WAS WITH PS TH0727 IN THE SAME POSITION ON 
- [SDR CA120824003](https://openairdocs.org/sdr/CA120824003), Aug 22, 2012: TRANSISTOR. FAILED. (CAN) WHEN THE DIM FUNCTION ON THE CONSOLE IS UTILIZED FOR THE INSTRUMENT LIGHTING, THE CIRCUIT BREAKER TRIPS. TRANSISTOR, PN 130-007-1 USED IN THE SYS HAS FOUN
- [SDR CA120808006](https://openairdocs.org/sdr/CA120808006), Jul 30, 2012: BEARING CAGE. MAKING METAL. (CAN) MIDDLE BEARING OUTTER RACE SPALLING. BEARING CAGE BROKEN.

All 421: https://openairdocs.org/engine/pratt-whitney-canada-pt6t-3/reports.md

## STCs that may be installed (OpenAirDocs) (3)

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 SE1123GL](https://openairdocs.org/stc/SE1123GL): Installation of a Shadin Co Digital Fuel Flow Transducer. Shadin Avionics
- [STC SE00022EN](https://openairdocs.org/stc/SE00022EN): Installation of Oil Tank Filler Neck Check Valve. Helicopter Support Inc Services Div
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support

## PMA parts (OpenAirDocs) (475, 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.

- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3278-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116739255220260311145337.0001): Gasket, Engine Accessory Drive. Core Parts LLC · PMA PQ05326NM · Replaces ST3278-01 · 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
- [3109585-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117456133120260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3109585-01 · Feb 11, 2026
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [3034508WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168792409620250624152910.0001): Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034508 3036376, Alternate: 11-11064… · 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
- [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
- [WF336238](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112708987520250602133027.0001): Compressor Air Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3038142, P-1139 · May 23, 2025
- [3014422AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID157889633320250310190842.0001): Packing with Retainer. Aero Attitude, LLC · PMA PQ00001CB · Replaces PWC 3014422 · Feb 25, 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
- [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/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
- [3010671CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189963175420241202221129.0001): Washer, Flat. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010671 · Aug 22, 2024
- [3012675AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196954661720240919140845.0001): Nut, Self-Locking, Hex. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012675, 3005816, 3012674, 3028286… · Aug 7, 2024
- [3015234AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130436253520240919140838.0001): Nut, Self-Locking, Shank. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3015234, 3015233, 3015232, 3016299… · Aug 7, 2024
- [3003987CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125662034220231204145325.0001): Pin, Lock. CORE PARTS LLC · PMA PQ05326NM · Replaces 3003987 · Aug 1, 2023
- [3016598CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189342823620231204151230.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3016598 · Jul 26, 2023
- [3036376GF](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187641607320230829140955.0001): Filter Element. Global Filtration, Inc. · PMA PQ0993SW · Replaces Pratt and Whitney Canada Corp… · May 19, 2023
- [3005290CLACP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171588224920250611143002.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLA · May 19, 2023
- [3005290CLECP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142064254420250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLE · May 19, 2023
- [3005290CLDCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141205886020250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLD · May 19, 2023
- [3005290CLBCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118455233520250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLB · May 19, 2023
- [3005290CLCCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103292467820250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLC · May 19, 2023
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182950761420231024191314.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Champion… · May 12, 2023
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182423481520231024191312.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Pratt & Whitney Canada … · May 12, 2023
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170076831020231024191315.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Unison10-381550-110-381550-49047840-190… · May 12, 2023
- [2524999-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186366461620240306163320.0001): Governor, Free Turbine. Honeywell International Inc. · PMA PQ1222NM · Replaces 3045144-01 · Apr 14, 2023
- [3015234CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160866993420230717162557.0001): Nut, Self-Locking, Shank. CORE PARTS LLC · PMA PQ05326NM · Replaces 3015234 · Jan 23, 2023
- [3244708-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184466062420241002190411.0001): Valve, Fuel Press Rglt. Honeywell International Inc. · PMA PQ1222NM · Replaces 3020373 · Jan 20, 2023
- [3244736-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID176197315920241002190412.0001): Fuel Control Manual. Honeywell International Inc. · PMA PQ1222NM · Replaces 3031803 · Jan 20, 2023
- [3244706-7](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145837251220241002190411.0001): Control Torque. Honeywell International Inc. · PMA PQ1222NM · Replaces 3054933-01 · Jan 20, 2023
- [540-1407-4](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111492413120241002190411.0001): Valve, Compressor Bleed. Honeywell International Inc. · PMA PQ1222NM · Replaces 3049038-03 · Jan 20, 2023
- [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117155957820230717173023.0001): Bearing, Sleeve,Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Jan 16, 2023
- [3244721-14](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID195875851820250530153048.0001): Fuel Control Automatic. Honeywell International Inc. · PMA PQ1222NM · Replaces 3118772-05 · Jan 15, 2023
- [2524999-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161652993120241017144603.0001): Governor-Free Turbine. Honeywell International Inc. · PMA PQ1222NM · Replaces 3045144-02 · Jan 12, 2023
- [3010117CL1CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183743693820230126115859.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL1 · Nov 22, 2022
- [3010117CL3CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183682707920230126115850.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL3 · Nov 22, 2022
- [3010117CL4CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182297337020230126115851.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL4 · Nov 22, 2022
- [3010117CL1CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150552523320230126115848.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL1 · Nov 22, 2022
- [3010117CL5CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126453214120230126115851.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL5 · Nov 22, 2022
- [3010117CL2CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103500720820230126115850.0001): Weight, Balance, Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010117CL2 · Nov 22, 2022
- [3014660CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196274608520221018224351.0001): Ring, Sealing, Power Output Section. CORE PARTS LLC · PMA PQ05326NM · Replaces 3014660 · Sep 8, 2022
- [3014660CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153003180020221005184146.0001): Ring, Sealing, Power Output Section. CORE PARTS LLC · PMA PQ05326NM · Replaces 3014660 · Sep 8, 2022
- [3024992CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141560431620221005184146.0001): Ring, Sealing, Power Output Section. CORE PARTS LLC · PMA PQ05326NM · Replaces 3024992 · Sep 8, 2022
- [3024992CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126971723820221018224352.0001): Ring, Sealing, Power Output Section. CORE PARTS LLC · PMA PQ05326NM · Replaces 3024992 · Sep 8, 2022
- [3075036-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159765637820221018224236.0001): Ring, Sealing, Turbine Exhaust Duct. CORE PARTS LLC · PMA PQ05326NM · Replaces 3075036-01 · Aug 29, 2022
- [3113510-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136688246620221018224033.0001): Cover, Compressor Air Filter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3113510-01 · Aug 24, 2022

All of them: https://openairdocs.org/engine/pratt-whitney-canada-pt6t-3/pma.md

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