# U/A Canada PT6A-135 - Type: Engine model (FAA registry) - Registry code: 61587 - Manufacturer (registry): U/A CANADA - Model: PT6A-135 - Engine type: Turbo-prop - Power: 750 hp - Data sheet: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs) - Holder: Pratt & Whitney Canada Corp. - Installed in: 1 registered aircraft - Page: https://openairdocs.org/engine/u-a-canada-pt6a-135 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 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 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012 - [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 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 ## 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 (1) - [N4938S](https://openairdocs.org/aircraft/N4938S): [Aviation Trust Co LLC Trustee](https://openairdocs.org/faa-owner/AVIATION%20TRUST%20CO%20LLC%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1982, S/N 31T-8166050 ## NTSB investigations None matched to aircraft with this engine model. ## FAA accident and incident reports None matched to aircraft with this engine model. ## Service difficulty reports (128, newest 50) As reported by operators and repair stations, by the model named in the report. - [SDR 2025FA0000591](https://openairdocs.org/sdr/2025FA0000591), Aug 27, 2025: RESERVOIR. LEAKING. AIRCRAFT DEPARTED KSHR AT APPROXIMATELY 0812 ENROUTE KBIL. ON APPROACH INTO KBIL, LANDING GEAR WAS SELECTED DOWN BUT FAILED TO FULLY EXTEND. THE PILOT FOLLOWED - [SDR G1IA20220707027](https://openairdocs.org/sdr/G1IA20220707027), Jul 7, 2022: POWERPACK. WEAK. WHILE SETTING UP FOR LANDING IN KRQE, GEAR HANDLE WAS PLACED DOWN. THE GEAR NEVER LOCKED IN DOWN POSITION. I ATTEMPTED TO PUT THE GEAR BACK UP AND THE GEAR DID - [SDR 2018FA0000388](https://openairdocs.org/sdr/2018FA0000388), Jan 19, 2018: FUEL LINE. CRACKED. UPON ENGINE SHUT DOWN IT WAS NOTED FUEL LEAKING FROM THE RIGHT ENGINE. ENGINE WAS UN-COWLED, GROUND RUN REVEALED A FUEL LEAK FROM FCU HIGH PRESSURE FUEL LINE P/ - [SDR 2016FA0000235](https://openairdocs.org/sdr/2016FA0000235), May 12, 2016: PINION. CRACKED. THE MLG ACTUATOR PINION GEAR INSPECTION PROCESS FOR F90, 99, 100 AND 200 SERIES ACFT HAS GENERATED A LARGE NR OF PINION GEARS WITH CRACK INDICATIONS BETWEEN THE - [SDR CA160119023](https://openairdocs.org/sdr/CA160119023), Jan 5, 2016: ENGINE. SHUTDOWN. (CAN) CREW REPORTED GENERATOR FAILURE, AIRFRAME PART, DURING FLIGHT. IT WAS FIXED BY RESETTING THE CIRCUIT BREAKER. AFTER LANDING, WHILE TAXING, THE LT ENGINE S - [SDR CA151028004](https://openairdocs.org/sdr/CA151028004), Oct 28, 2015: WINDSHIELD. CRACKED. (CAN) ENROUTE THE INSIDE PANEL OF RT WINDSHIELD CRACKED. CREW DECIDED TO RETURN TO THE AIRPORT FOR MAINTENANCE. ACFT LANDED WITHOUT INCIDENT. WINDSHIELD REPLACE - [SDR CA150507005](https://openairdocs.org/sdr/CA150507005), Apr 13, 2015: ENGINE. POWER LOSS. (CAN) ENGINES ARE NG LIMITED & WILL NOT PRODUCE MAXIMUM TORQUE OR ITT. TROUBLESHOOTING IS ONGOING. - [SDR CA130905012](https://openairdocs.org/sdr/CA130905012), Sep 2, 2013: TRANSMITTER. INOPERATIVE. (CAN) REPORT LEFT FUEL FLOW UNSERVICEABLE. FUEL FLOW TRANSMITTER, REMOVED TSO:2053.4, CSO:1538, ON CONDITION PART, PREVIOUS O/H SEPT 2004. O/H REPLACEMENT TRANS - [SDR CA130904017](https://openairdocs.org/sdr/CA130904017), Aug 30, 2013: TIRE. OUT OF BALANCE. (CAN) NOSE WHEEL ASSY REMOVED AND BALANCE CHECKED, FOUND TO REQUIRE MORE THAN 1.5OZ TO REBALANCE. DISASSEMBLED WHEEL AND FOUND 1.75 OZ BALANCE PATCH LOOSE IN TI - [SDR CA130626002](https://openairdocs.org/sdr/CA130626002), May 25, 2013: BELLOWS. DISTORTED. (CAN) ENGINE WOULD NOT DEVELOP POWER FROM IDLE. FCU REPAIRED BY REPAIR FACILITY. FCU REINSTALLED AFTER REPAIR, MAINTENANCE UNABLE TO ADJUST IDLE, MIN FLOW. ENGI - [SDR CA130626003](https://openairdocs.org/sdr/CA130626003), May 1, 2013: FITTING. CRACKED. (CAN) FLOAT DECK FITTING INSPECTED AND FOUND CRACKED. UNIT REPLACED WITH NEW FITTING. FLEET INSPECTION FOUND ONE OTHER 55-S-618 CRACKED OUT OF A TOTAL OF SIX FI - [SDR CA121221013](https://openairdocs.org/sdr/CA121221013), Dec 21, 2012: SCREEN. SPLIT. (CAN) ON INSPECTION OF OIL FILTER IT WAS FOUND THAT THE CENTER BYPASS SCREEN HAD SPLIT OPEN ON THE END WHERE IT WAS CRIMPED TOGETHOR ALLOWING FOR FULL OIL FLOW - [SDR CA121203014](https://openairdocs.org/sdr/CA121203014), Nov 12, 2012: MOUNT. WORN. (CAN) THE SPINNER MOUNTING PLATE BOLTS WERE ALL LOOSE, FINGER TIGHT AND SHOULD HAVE BEEN TORQUED. THIS CAUSED MOVEMENT IN THE BULKHEAD WHICH ELONGATED THE HOLES - [SDR CA120831002](https://openairdocs.org/sdr/CA120831002), Aug 29, 2012: FUEL CONTROL. FAILED. (CAN) AIRCRAFT APPLIED POWER FOR TAKEOFF AND ENGINE WOULD NOT ACCELERATE PAST IDLE. FCU REPLACED WITH SERVICEABLE UNIT AND GROUND TESTED SERVICEABLE. NOTE FURTH - [SDR CA120717005](https://openairdocs.org/sdr/CA120717005), Jul 11, 2012: TURBINE BLADES. FRACTURED. (CAN) AFTER T/O, THE PILOT NOTICED A LOSS OF POWER ON NR 2 ENGINE. SECURED THE ENGINE AND RETURNED TO THE POINT ORIGIN WHERE AN UNEVENTFUL SINGLE ENGINE LANDING - [SDR CA120706004](https://openairdocs.org/sdr/CA120706004), Jun 1, 2012: STATOR. CRACKED. (CAN) WHILE TROUBLESHOOTING ENGINE LIMITATION, SEVERAL GROUND RUNS WERE CARRIED OUT AND DATA WAS SENT. RECOMMENDED TO REMOVE POWER TURBINE STATOR VANE FOR CALIB - [SDR CA120620004](https://openairdocs.org/sdr/CA120620004), May 31, 2012: CIRCUIT BREAKER. BURNED. (CAN) CIRCUIT BREAKER FOUND BURNT. NEW CB INSTALLED & SYS CHECKED SERVICEABLE. - [SDR CA120523004](https://openairdocs.org/sdr/CA120523004), May 4, 2012: POWER LEVER. MALFUNCTIONED. (CAN) DURING TAXI , THE PILOT NOTICED THE ACFT WAS VEERING LT WITH THE ENGINE NOT RESPONDING TO THROTTLE INPUT. DURING SUBSEQUENT TROUBLESHOOTING, WHEN THE POWE - [SDR CA120620002](https://openairdocs.org/sdr/CA120620002), Apr 20, 2012: INVERTER. FAILED. (CAN) NO TORQUE INDICATION. FOUND THAT ACFT INVERTER FOR TORQUE GAUGE FAILED. UNIT R & R WITH NEW UNIT & CHECKED SERVICEABLE. - [SDR HDNA2012F00009](https://openairdocs.org/sdr/HDNA2012F00009), Nov 15, 2011: CAP. MISINSTALLED. DURING CRUISE AT 13,000 FT, PILOT NOTICED NR 1 ENGINE TORQUE INDICATOR FLUCTUATING. NOTICED NR1 OIL PRESSURE INDICATION DROPPED. PULLED BACK POWER ON ENGINE AND - [SDR CA110817003](https://openairdocs.org/sdr/CA110817003), Aug 16, 2011: HINGE BRACKET. CORRODED. (CAN) UPON PHASE II INSPECTION, MECHANICS FOUND THE RUDDER MID BRACKET CORRODED. BRACKET HAS BEEN REPLACED. - [SDR 2011FA0000339](https://openairdocs.org/sdr/2011FA0000339), Apr 11, 2011: FUEL NOZZLE. LEAKING. NOZZEL TIP LEAKING BETWEEN ADAPTOR AND NOZZLE TIP AT GASKET, LEAKAGE CAUSED FAILURE OF NR 2 BEARING COVER, VANE RING, LED, ALSO CAUSED NR 2 BEARING COVER MOUNTI - [SDR CA100813010](https://openairdocs.org/sdr/CA100813010), Aug 12, 2010: TURBINE BLADES. FAILED. RT PT6A-135 ENGINE, SN PC-E92105 WAS REMOVED SUBSEQUENT TO INFLIGHT SHUTDOWN INCIDENCE. THE CUSTOMER REPORTED "THE ENGINE LOST AT TAKEOFF AT 3000 FT AT CLIMB PO - [SDR CA100805009](https://openairdocs.org/sdr/CA100805009), May 14, 2010: OIL FILTER. UNSERVICEABLE. INNER CONE (SCREEN) SEAMS ARE BECOMING UNGLUED. IF SCREEN BECOMES SEPARATED FROM FILTER BODY, THE POTENTIAL IS THERE FOR IT TO GO THROUGH THE ENGINE SYS. - [SDR CA100222006](https://openairdocs.org/sdr/CA100222006), Feb 16, 2010: FUEL SYS. CONTAMINATED. (CAN) BOTH ENGINES WERE STARTED NORMALLY. UPON POWER APPLICATION FOR TAXI, THE LT ENGINE WOULD NOT RESPOND TO THROTTLE/POWER LEVER MOVEMENTS AND REMAINED AT IDL - [SDR CA091223002](https://openairdocs.org/sdr/CA091223002), Dec 21, 2009: SCREEN. DETACHED. (CAN) INNER CONE (SCREEN) SCANS ARE BECOMING UNGLUED. (TC NR 20091223002) - [SDR CA091211004](https://openairdocs.org/sdr/CA091211004), Dec 9, 2009: BOWL. CRACKED. (CAN) ON FINAL, LANDING GEAR WAS SELECTED DOWN BUT NOTHING HAPPENED - GEAR WOULD NOT EXTEND. GEAR HANDLE WAS CYCLED UP & DOWN WITH NO SUCCESS. HAND PUMP WAS USE - [SDR CA091118015](https://openairdocs.org/sdr/CA091118015), Nov 17, 2009: HOUSING. CRACKED. (CAN) DURING THE INSPECTION, WHILE GREASING NOSE LANDING GEAR, MAINTENANCE NOTICED BLISTERING UNDER THE PAINT. MAINTENANCE REMOVED THE BLISTERS, CLEANED-UP THE - [SDR 2009FA0000673](https://openairdocs.org/sdr/2009FA0000673), Aug 6, 2009: FILTER. MISMANUFACTURED. RECEIVING INSP ON A NEW OIL FILTER PN 3059257-01, LOT NR 091640 IT WAS DISCOVERED THE INTERNAL CONE SHAPED WIRE MESH FILTER SCREEN WAS MISSING FROM THE FILTER. - [SDR CA090203001](https://openairdocs.org/sdr/CA090203001), Feb 2, 2009: HINGE. CRACKED. ON INSPECTION FOUND LT AND RT TAILPLANE HINGE ASSEMBLIES CRACKED THROUGH RIVIT HOLE ON ATTACHMENT LT P/N C3FS473-7 AND RT P/N C3FS472-7. - [SDR CA090128003](https://openairdocs.org/sdr/CA090128003), Jan 23, 2009: TUBE. PUNCTURED. TIRE WAS REPORTED FLAT UPON PRE-FLIGHT INSPECTION. TIRE AND TUBE WERE INSPECTED AND THE TUBE REVEALED A PUNCTURE, CAUSING THE DEFLATION. - [SDR CA090202005](https://openairdocs.org/sdr/CA090202005), Jan 23, 2009: TUBE. PUNCTURED. THE LT MAIN TIRE WAS REPORTED LOW BY OUR MAINTENANCE CREW. MAINTENANCE PERSONNEL IMMEDIATELY REPLACED THE WHEEL ASSY AS PREVENTATIVE MAINTENANCE, SINCE 3 TIRE F - [SDR CA090128002](https://openairdocs.org/sdr/CA090128002), Jan 17, 2009: TUBE. DESTROYED. THE TIRE WAS DESTROYED ON TOUCHDOWN. UNABLE TO EVALUATE TIRE AND TUBE CONDITION. - [SDR CA090128001](https://openairdocs.org/sdr/CA090128001), Jan 16, 2009: TUBE. PUNCTURED. TIRE LOSING AIR AFTER SHUTDOWN. THE TIRE AND TUBE WERE INSPECTED AND NUMEROUS PIN HOLES WERE FOUND ON THE TUBE`S OUTER CIRCUMFERENCE, CAUSING THE DEFLATION. - [SDR CA081020010](https://openairdocs.org/sdr/CA081020010), Oct 15, 2008: FITTING. FAILED. (CAN) DURING TAXIING OF THE ACFT, THE CREW NOTED THE ANNUNCIATOR FOR OIL PRESSURE ON THE LT ENGINE CAME ON. THEY SHUTDOWN THE LT ENGINE AND TAXIED THE ACFT USIN - [SDR CA081027002](https://openairdocs.org/sdr/CA081027002), Sep 10, 2008: STARTER GEN. WORN. (CAN) STARTER GEN HAD LONG LIFE BRUSHES INSTALLED AT OVERHAUL. BRUSHES ONLY LASTED 611.5 HRS WHEN THEY SHOULD HAVE WENT THEIR 1200 HOURS. ONE BRUSH WAS RT AT TH - [SDR QRE2008F00000](https://openairdocs.org/sdr/QRE2008F00000), Jul 10, 2008: ROD END. BINDING. THE PILOT MENTIONED UPON LENDING THE LT ENGINE NG DID NOT GO ALL THE WAY BACK TO IDLE SPEED, BUT STAYED AT 80 PERCENT. UPON EXAMINATION OF THE FUEL CONTROL LINK - [SDR CA080204005](https://openairdocs.org/sdr/CA080204005), Feb 4, 2008: TURBINE WHEEL. CORRODED. (CAN) THE CT DISK WAS FOUND WITH (4) VISUAL CRACKS AT (3) OF THE FIRTREES. THE CRACKS ARE LOCATED AT THE EDGE OF THE TOP SERRATION RADIUS WITH THE FIRTREE FACE. - [SDR 2007FA0000853](https://openairdocs.org/sdr/2007FA0000853), Sep 20, 2007: FLANGE. CRACKED. (2) NEW ENGINES WERE INSTALLED IAW MFG MODIFICATIONS, WITH 938.0 HRS SINCE NEW. AIRCRAFT WAS IN FOR A PHASE INSPECTION AND FOUND 3 OUT OF L1 EXHAUST FLANGES ON - [SDR 2007FA0000778](https://openairdocs.org/sdr/2007FA0000778), Sep 6, 2007: LINE. CRACKED. FUEL TUBE CRACKED AT BACKSIDE OF B-NUT SLEEVE LOCATION, CAUSING FUEL TO LEAK UNDER PRESSURE INTO ENGINE NACELLE AREA FORWARD OF FIREWALL. TUBE FAILED IN FLIGHT - [SDR 2007FA0000747](https://openairdocs.org/sdr/2007FA0000747), Aug 17, 2007: TUBE. CRACKED. FUEL LEAK NOTED ON SHUTDOWN OF LT ENGINE. FUEL TUBE P/N 3011849 CRACKED AT CONNECTION TO START CONTROL UNIT. - [SDR CA070803006](https://openairdocs.org/sdr/CA070803006), Aug 3, 2007: TIRE. DELAMINATED. (CAN) VIBRATION REPORTED ON TAKEOFF AND LANDING STARTING/ENDING AT 60-70 KNOTS, VIBRATION INCREASED AT HIGH SPEEDS ON GROUND AND DISAPPEARED AFTER LANDING GEAR - [SDR CA070803009](https://openairdocs.org/sdr/CA070803009), Aug 3, 2007: TIRE. OUT OF ROUND. (CAN) NOSE WHEEL SHIMMY TIRE PN 076-367-0 SN 4190W00091 FOUND OUT OF ROUND .5 INCH. TIRE REPLACED AND REBALANCED. NOSE WHEEL STEERING DAMAGE CAUSED BY SHIMMY RE - [SDR Y4MR200700521](https://openairdocs.org/sdr/Y4MR200700521), May 21, 2007: ENGINE. MAKING METAL. DURING CRUISE, RT ENGINE CHIP DETECTOR ILLUMINATED. OTHER RT ENGINE INDICATIONS WERE MONITORED CLOSELY FOR ANY SIGN OF MECHANICAL PROBLEM. NO OTHER INDICATIONS - [SDR IG0R200743437](https://openairdocs.org/sdr/IG0R200743437), May 8, 2007: BELLOWS. FAILED. THE FUEL CONTROL (FCU) P/N 3244777-4-3-2, S/N A59386 DIRECTED THE ENGINE TO MIN FLOW SHORTLY AFTER LANDING WITHOUT ANY FURTHER POWER LEVER RESPONSE. THE CONTROL - [SDR CA070514034](https://openairdocs.org/sdr/CA070514034), Mar 26, 2007: FCU. FAULTY. (CAN) DURING CLIMB, ENGINE POWER INCREASED UNCOMMANDED, RESULTING IN A TORQUE EXCEEDANCE. THE ENGINE WAS SHUTDOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED A FA - [SDR 2007FA0000258](https://openairdocs.org/sdr/2007FA0000258), Mar 1, 2007: BEARING. SEIZED. PERFORMING A ROUTINE 6 YEAR LANDING GEAR OVERHAUL, THE LT LANDING GEAR GEARBOX-ACTUATOR TORQUE TUBE HAD A SEIZED MAIN SUPPORT BEARING. THIS MADE THE TORQUE TUBE - [SDR 2007FA0000215](https://openairdocs.org/sdr/2007FA0000215), Mar 1, 2007: BEARING. SEIZED. PERFORMING A ROUTINE 6 YEAR LANDING GEAR OVERHAUL, THE LT LANDING GEAR GEARBOX-ACTUATOR TORQUE TUBE HAD A SEIZED MAIN SUPPORT BEARING. THIS MADE THE TORQUE TUBE - [SDR 2006FA0000914](https://openairdocs.org/sdr/2006FA0000914), Aug 21, 2006: TRANSFER TUBE. CHAFED. IN FLIGHT NOTICED TORQUE METER WAS UNSTABLE, CHECKED OIL PRESSURE AND SAW IT DROPPING. REDUCED POWER TO IDLE OIL PRESSURE WAS IN YELLOW RANGE. SHUTDOWN ENGINE A - [SDR CA060705002](https://openairdocs.org/sdr/CA060705002), Jul 5, 2006: COMPRESSOR. BIRD INGESTION. (CAN) DAMAGE TO ENGINE COMPRESSOR CAUSED BY BIRDSTRIKE. COMPRESSOR DAMAGE WAS REPAIRED AND ENGINE RETURNED TO SERVICE. (TC# 20060705002) All 128: https://openairdocs.org/engine/u-a-canada-pt6a-135/reports.md ## STCs that may be installed (OpenAirDocs) (12) 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 SE11139SC](https://openairdocs.org/stc/SE11139SC): The conversion of the Pratt & Whitney Canada, Model PT6A-135 to a PT6A-135A turboprop engine. Airforce Turbine Service - [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 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 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 SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc ## PMA parts (OpenAirDocs) (527, 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 - [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 - [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 - [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 - [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 - [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 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 - [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 - [WF337408](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125475616820250602133039.0001): Filter Element Assy, Fuel. Donaldson Company Inc · PMA PQ2432CE · Replaces 217384-1, 26281 · 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 - [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 - [3049873-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193736418720260108162918.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3049873-01 · 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 - [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 - [3110741-02CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169885030720250605164146.0001): Ring, Retaining, Compressor Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3110741-02 · Oct 31, 2024 - [218794ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136891010120241022133827.0001): Washer, CRES. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 218794 · Oct 3, 2024 - [3211-058ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID178851531420240926215418.0001): Shim, Nonlaminated. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3211-058 · Sep 11, 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 - [3006523CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132375139220240509162259.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3006523 · Mar 25, 2024 - [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120421035120240509162301.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Mar 25, 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 - [ST6202-011CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121242960820241204145238.0001): Packing, Preformed. CORE PARTS LLC · PMA PQ05326NM · Replaces ST6202-011 · Jun 15, 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 - [TA3057-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161272206620230515183738.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023 - [TA3057-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146529815220230515183804.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023 - [3244777-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147412801520241024194520.0001): Fuel Control Main, Turbine Engine Assembly & Installation of. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244777-6 · May 2, 2023 - [RM3022375](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197353719220230503123945.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022375 · Apr 19, 2023 - [RM3022374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109994811820230503123941.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022374 · Apr 19, 2023 - [540-1407-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149574330120240306163319.0001): Valve, Bleed (Small PT6). Honeywell International Inc. · PMA PQ1222NM · Replaces 3049038-02 · Apr 14, 2023 - [206684ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193915393720230321122918.0001): Gasket, Propeller Governor Mounting. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 206684 · Mar 16, 2023 All of them: https://openairdocs.org/engine/u-a-canada-pt6a-135/pma.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.