Pratt & Whitney PT6T-3

Service difficulty reports · 421

Newest first. General aviation reporting is voluntary.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE engine_model_key = 'PT6T3'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR 2026FA0000648Coupling · crackedCRACKED AROUND METAL ON COUPLINGAug 17, 2026 · N4247V · Skrsky S58JT · Main Rotor Drive SystemSDR 2025FA0000642Static Inverter · overheatedTHE 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 OFF AND SUBSEQUENTLY LOST AUTOPILOT. WHEN THE INVERTER SWITCH WAS SWITCHED BACK TO ON THAT IS WHEN TSep 12, 2025 · N282SD · Bell 412EP · AC InverterSDR RV1R2020010800019Elastomer · failedFAILED ELASTOMER FOUND DURING REMOVAL FOR MAST SEAL REPLACEMENT. THIS PART CAN ONLY BE INSPECTED WITH MR HUB DISASSEMBLED AND THE ONLY REQUIREMENT FOR THIS INSPECTION IS LOCATED IN THE 2500 HOUR AIRFRAME INSPECTION. THE AIRCRAFT IN QUESTION ONLY HAS 1800 HOUSep 30, 2019 · N962KW · Bell 412EP · Main Rotor HeadSDR 2019FA0000239Bellcrank · looseTHE HELICOPTER EXPERIENCED A TORQUE AND RPM FLUCTUATION SHORTLY AFTER TAKE-OFF. A FAULTY AUTOMATIC FUEL CONTROL UNIT WAS REPLACED. DURING THE ENGINE RIGGING PROCESS, EXCESSIVE PLAY WAS NOTED IN THE DROOP COMPENSATOR ROD ASSEMBLY. FURTHER INSPECTION REVEALEDAug 1, 2019 · N223JC · Bell 412EP · Aircraft Fuel Filter/StrainerSDR CA190622001Amplifier · 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 ILLUMINATED. HE PILOT FOLLOWED THE EMERGENCY PROCEDURES FOR AN ENGINE FIRE INDICATION AND SUBSEQUENTLY DISCHARJun 14, 2019 · Bell 212 · Fire DetectionSDR QMLA2016072516085Windshield · crackedON 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 REPORTED THE DISCREPANCY TO MCAS AND THE AIR CRAFT WAS TAKEN OOS. A REQUEST FOR A SPECIAL FERRY PERJul 25, 2016 · N87AM · Bell 412EP · Flight Compartment WindowsSDR CA160126003Hanger 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 FITTING BARREL NUTS.Jan 25, 2016 · Bell 212 · Tail Rotor Drive SystemSDR CA151110008Filter · 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 THE BASE OF THE FILTER. THE FILTER HAD BEEN O/H 60.3 HRS PREVIOUSLY ON PO 535474, JUNE 2015. THE FINov 3, 2015 · Bell 412 · Pneumatic Distribution SystemSDR CA151103005Cargo 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 AND GAIN ENERGY. SUSPENSION ASSY IS PROTECTED WITH RUBBER ON THE OUTSIDE SURFACE WHERE IT IS DESIGNOct 26, 2015 · Bell 212 · Cargo CompartmentsSDR CA150911005Engine · 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 SINGLE ENGINE OPERATIONS AND DIVERTED. WHILE ENROUTE, THE CREW SUCCESSFULLY RESTARTED NR 2 ENGINE UTISep 2, 2015 · Bell 412EP · Engine (Turbine/Turboprop)SDR CA150820005Fuel 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 RETURNED TO SERVICE.Aug 12, 2015 · Fuel Control/Turbine EnginesSDR CA150727014Clutch · 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 AFFECTED HOISTS CALLED ASB 44301-10-15 AND BY AD 2013-06-51. THE HOIST HAS ACCUMULATED A TOTAL OF 15Jul 24, 2015 · Bell 412EP · Emergency EquipmentSDR CA150709001Bearing · 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 BEARING HAD SEPARATED FROM THE SPINDLE ASSY. THE SPINDLE ASSY WAS REMOVED AND AN O/H ASSY INSTALLED. SJun 26, 2015 · Bell 412EP · Main Rotor HeadSDR CA150710012Engine · 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. PILOT MAINTAINED THE ENGINE NR 1 TORQUE AT 55 PERCENT WHILE NR 2 TORQUE WAS AT ZERO. PILOT SAFELY LANJun 25, 2015 · Engine (Turbine/Turboprop)SDR CA150529005Crosstube · broken(CAN) CROSS TUBE BROKE AT LT AIRFRAME SUPPORT, UNDER THE STEEL WEAR PLATES.May 27, 2015 · Bell 212 · Main Landing GearSDR CA150602010Engine · 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 PERFORMED AND DEBRIS FOUND AT ENGINE NR 1 EXHAUST AREA WITH DENTS NOTED IN THE EXHAUST DUCTS, FIELD SERVIMay 16, 2015 · Bell 412EP · Engine (Turbine/Turboprop)SDR CA150325021Packing · 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 SHUTDOWN THE ENGINE. OIL SPILL ON GROUND NOTICED AFTER SHUTDOWN. MAINTENANCE CREW DETERMINED THE CAUMar 19, 2015 · Bell 412 · Turbine Engine Oil SystemSDR CA141202017Compressor · 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/VIBRATION WAS FELT, ITT WENT HIGH, PILOT SHUTDOWN THE ENGINE. COMPRESSOR DAMAGE WAS OBSERVED. CUSTOMER ALRNov 8, 2014 · Bell 212 · Turbine Engine Compressor SectionSDR CA141202002Engine · 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 ABORTED. METAL FLAKES FOUND ON THE CHIP DETECTOR WERE SENT TO THE LAB FOR ANALYSIS.Nov 3, 2014 · Bell 412EP · Engine (Turbine/Turboprop)SDR 9EKA20141030012Oil Cooler · crackedDURING 1000 HOUR INSPECTION OF OIL COOLERS MULTIPLE CRACKS ON VANE WELDS WERE FOUND.Oct 29, 2014 · N414EV · Bell 412EP · Engine Fuel/Oil CoolerSDR CA140917001Pressure 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 REMOVED AND BOOST PUMP PRESSURE APPLIED FUEL WAS FOUND SEEPING OUT THE DIFFERENTIAL PRESSURE SWITCH AND RSep 16, 2014 · Bell 212 · Turbine Engine Oil SystemSDR CA140908028Yoke · 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 ROTOR YOKE FEATHERING BEARING OUTER RACE STAKES HAD FAILED.Sep 4, 2014 · Bell 412EP · Tail Rotor HeadSDR CA140721023Fitting · 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 INCLUDING PAINT REMOVAL FROM THE AFFECTED AREA, THE AME DETERMINED THE FITTING TO BE CRACKED. THE Jul 19, 2014 · Bell 212 · Main Rotor HeadSDR CA140716009Crosstube · 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 FITTING. COMPONENT TIMES KEPT IAW ACCESSORIES AERT SB AA-08055, REV B AND ALERT SB 212-09-132, REV A, LANJul 13, 2014 · Bell 212 · Main Landing GearSDR CA140710003Torque 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 FIELD 10 MILES SOUTH AND CALLED IN THAT HE HAD AN OVERTORQUE. THE MONO POLE SENSOR, SIGNAL CONDITIOJul 8, 2014 · Bell 412 · Main Rotor Mast/SwashplateSDR CA140701013Oil System · failedTHE 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 TROUBLESHOOTING ON-GOING.Jun 28, 2014 · Turbine Engine Oil SystemSDR SAJF2014062603020Engine · leakingDURING 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 TO DIVERT FOR AN UNEVENTFUL LANDING. DURING GND INSPECTION, OBVIOUS OIL LEAKAGE UNDER COMPRESSOR RJun 16, 2014 · N398EH · Bell 212 · Engine (Turbine/Turboprop)SDR CA140602018Gearbox · making metal(CAN) THE PILOT SHUTDOWN THE ENGINES AND ABORTED THE TAKEOFF DUE TO A CHIP DETECTOR INDICATION ON THE COMBINING GEARBOX.May 8, 2014 · Engine (Turbine/Turboprop)SDR CA140826021Cotter 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 HELICOPTER LANDED SAFELY. INVESTIGATION FOUND THAT THAT NO FUEL PASSED THROUGH THE AFCU. DURING REMOVALMar 23, 2014 · Fuel Control/Turbine EnginesSDR CA140305006Bearing · 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 WAS ABLE TO SEE THAT THE OUTER RACE OF THE BEARING ON THE BLOWER WAS ROTATING IN THE BLOWER CASTINGMar 5, 2014 · Bell 412 · Engine Oil CoolerSDR CA140224024Bearing · 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 A BURNED ODOR. SHOP TECH: BEARING FAILED IN SERVICE. NO INDICATION OF CAUSE. IT APPEARS THE FAIFeb 13, 2014 · Bell 412 · Engine Oil CoolerSDR CA131216016Frame · 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 10,000 HOURS, IT WAS DISCOVERED TO HAVE A CRACK APPROXIMATELY .7500" AROUND THE RADIUS OF THE BEARING SDec 13, 2013 · Bell 212 · Main Rotor HeadSDR CA131216002Coupling · 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 CHIP DETECTORS. THEY FLUSHED THE OIL SYSTEM AND PUT IN NEW OIL. WHEN THEY STARTED THE ENGINES AFTERDec 3, 2013 · Turbine Engine Reduction GearSDR CA131118006Gear · 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 INSPECTION REVEALED SIGNIFICANT METAL DEBRIS IN THE NR 2 POWER SECTION RGB CHIP DETECTOR. THE RGB Nov 5, 2013 · Bell 412EP · Turbine Engine Reduction GearSDR CA131007008Fuel Heater · leaking(CAN) SIGNIFICANT FUEL LEAK NOTED ON NR 1 ENGINE DURING GROUND OPERATIONS. LEAK CONFIRMED AS CRACKED WELD ON OIL TO FUEL HEATER.Sep 29, 2013 · Bell 412 · Engine Fuel/Oil CoolerSDR CA130920017Bearing · 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 THE FACE OF THE BEARING MOUNTING SURFACE OF THE PT SHAFT HOUSING, NO OTHER DAMAGE WAS SEEN AROUND THESep 20, 2013 · Turbine SectionSDR CA130911017Engine · shutdown(CAN) JUST AFTER TAKEOFF, THE PILOT ELECTED TO PERFORM AN ENGINE SHUTDOWN. THE REASON OF THE FORCED ENGINE SHUTDOWN IS UNKNOWN.Sep 4, 2013 · Engine (Turbine/Turboprop)SDR CA131104006Bearing · 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 POWER TURBINE SECTION WAS REMOVED AND DISASSEMBLED TO AFFORD ACCESS TO THE NR 3 AND NR 4 BEARINGSJul 23, 2013 · Turbine SectionSDR CA130815004Rod End · worn(CAN) BEARING LINER GONE, EXCESSIVE WEAR BETWEEN BALL AND BEARING OUTER HSG.Jul 20, 2013 · Bell 212 · Main Rotor HeadSDR CA130726004Blade · 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 ASSY, PN 212-011-701-123, TAIL ROTOR BLADE, PN 212-010-750-127FM.Jul 19, 2013 · Bell 412 · Tail Rotor BladesSDR CA130410013Fuel 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.Apr 10, 2013 · Bell 212 · Engine Fuel DistributionSDR CA130416012Engine · 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 OF A SUDDEN AND COMPLETELY UNEXPECTED, THERE WAS AN OVERSPEED OF THE ENGINE NP 1 NR AND N2 OF UP TOApr 4, 2013 · Bell 412EP · Engine (Turbine/Turboprop)SDR CA130327004Inverter · 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 DEALT WITH IAW THE CHECK LIST. AFTER LANDING AT MAINTENANCE FACILITY, THE AME QUICKLY DETERMINED THMar 18, 2013 · Bell 212 · AC InverterSDR CA130128024Wire · 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 WEEK PERIOD. THE FINAL RECERTIFICATION OF THE PROBLEM WAS THE REPLACEMENT OF WIRE C943D22, WHICH WAS FJan 28, 2013 · Bell 412 · Instrument System WiringSDR CA130117002Blades · 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 IN THE CABIN, RAPID RISE OF NR 2 ENGINE INTER TURBINE TEMPERATURE, ITT, AND ENGINE OIL TEMPERATURE, BDec 31, 2012 · Turbine Engine Compressor SectionSDR CA121206003Fitting · 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 WAS REMOVED AND DISASSEMBLED TO FIND EXCESSIVE WEAR ON THE FITTING AT THE SEAL CONTACT AREA ALLOWING Dec 4, 2012 · Bell 212 · Main Rotor HeadSDR CA121115006Link · 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 ISOLATED CASE.Nov 10, 2012 · Bell 412 · Main Rotor GearboxSDR CA121022005Line · 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 THE ACFT.Sep 27, 2012 · Bell 412EP · Engine Bleed Air SystemSDR CA120824003Transistor · 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 FOUND A GROUND ON THE BASE OR CASE. THE INSULATOR SEPARATING TRANSISTOR FROM ALUMINUM BRACKET IS A PLASAug 22, 2012 · Bell 412 · Flight Compartment LightingSDR CA120808006Bearing Cage · making metal(CAN) MIDDLE BEARING OUTTER RACE SPALLING. BEARING CAGE BROKEN.Jul 30, 2012 · Bell 212 · Main Rotor Gearbox
Back to Pratt & Whitney PT6T-3