Pratt & Whitney PT6T-3B

Service difficulty reports · 480

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 = 'PT6T3B'
  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 HEEA111182Indicator · odorENROUTE, STRONG ODOR STARTED. SUSPECTED RADAR, TURNED OFF RADAR AND THE ODOR DISSAPATED. MAINTENANCE REPLACED RADAR RT INDICATOR AND ANTENNA.Sep 14, 2006 · N1202T · Bell 412 · Weather Radar SystemSDR CA061006004Engine · fire(CAN) DURING FLIGHT THE FIRE WARNING ACTIVATED. THE FIRE BOTTLES WERE DISCHARGED AND THE AIRCRAFT DIVERTED TO POINT OF DEPARTURE. SUBSEQUENT INSPECTION REVEALED A PUNCTURED GAS GENERATOR CASE AND FIRE DAMAGE TO THE ENGINE. MFG WILL INVESTIGATE THE EVENT AND Sep 4, 2006 · Bell 212 · Turbine Engine Compressor SectionSDR HEEA110762Diode · failedNR 1 DC SYSTEM FAILED IN FLIGHT. MAINTENANCE REPLACED 4 EACH DIODES IN THE ESSENTIAL BUSS.Aug 11, 2006 · N412UM · Bell 412 · Electrical Power System WiringSDR CA061006008Engine · unknown(CAN) ON TRANSITION FROM HOVER, NR 2 POWER SECTION TORQUE DECREASED UNCOMMANDED. AN EMERGENCY LANDING FOLLOWED RESULTING IN AIRFRAME DAMAGE. MFG WILL INVESTIGATE THE EVENT AND ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20061006008)Aug 11, 2006 · Bell 212 · Engine (Turbine/Turboprop)SDR CA060731019Engine · flamed out(CAN) FOLLOWING TAKE-OFF THE ENGINE EMITTED A NOISE AND FLAMED OUT. SUBSEQUENT GROUND INSPECTION REVEALED EXERNAL OIL LEAKAGE. MFG WILL MONITOR INVESTIGATION OF THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR 20060731019).Jul 22, 2006 · Bell 212 · Engine (Turbine/Turboprop)SDR CA060731017Engine · making metal(CAN) THE ENGINE EMITTED A NOISE IN FLIGHT ACCOMPANIED BY A RISE IN ITT TEMPERATURE. THE ENGINE WAS SHUTDOWN AND AN UNSCHEDULED LANDING CARRIED OUT. SUBSEQUENT INSPECTION REVEALED METAL DEBRIS IN THE EXHAUST. MFG WILL MONITOR THE INVESTIGATION OF THE EVENT ANJul 19, 2006 · Bell 212 · Engine (Turbine/Turboprop)SDR CA060907004O-Ring · unserviceable(CAN) STARTED NR 2 ENGINE FIRST. SECOND START OF THE DAY. STARTED NR 1 AND BROUGHT IT UP TO IDLE. THE AME CAME RUNNING TO THE COCKPIT AND GAVE THE SIGNAL TO SHUTDOWN THE ENGINE. ENGINE WAS SHUT DOWN AND BOOST PUMP TURNED OFF. HE SAID FUEL WAS STILL LEAKINJun 29, 2006 · Bell 212 · Engine DrainsSDR CA060531010Rotor · malfunctioned(CAN) FOLOWING CLIMB THE MAIN ROTOR SPEED DECREASED UNCOMMANDED AND THE LOW ROTOR RPM WARNING ACTIVATED. AN EMERGENCY LANDING WAS CARRIED OUT RESULTING IN AIRFRAME DAMAGE. NR WILL INVESTIGATE THE EVENT AND WILL ADVISE OF ROOT CAUSE ONCE ESTABLISHED. (TC NR20Apr 4, 2006 · Bell 212 · Main Rotor SystemSDR CA060118002Engine · malfunctioned(CAN) HELI-SKING: AC DROPPED SKIERS AT TOP, HAD LIFTED OFF MOUNTAIN TO GO TO SKIER PICK UP PAD. AC WAS ON A DESCENDING, SLIDE SLIPPING, PILOT CARRIED OUT A SCAN OF INDICATORS, NOTICE NR AT 99 PERCENT, DESCENDING TO 98 PERCENT, WAS EXPECTING A 101 PERCENT FORJan 16, 2006 · Bell 212 · Engine (Turbine/Turboprop)SDR CA060129008Fuel Control · faulty(CAN) DURING FLIGHT, THE ENGINE LOST POWER FOLLOWED BY (ENGINE OUT) AND (LOW ROTOR SPEED) WARNING ANNUNCIATIONS. A SINGLE-ENGINE UNSCHEDULED LANDING WAS CARRIED OUT. SUBESQUENT INSPECTION REVEALLED A FAULTY AUTOMATIC FUEL CONTROL UNIT. MFG WILL INVESTIGATE TJan 10, 2006 · Bell 412 · Fuel Control/Turbine EnginesSDR HEEA107419Starter Gen · failedNR 2 GENERATOR FAILED IN FLIGHT. REPLACED NR 2 STARTER GENERATOR.Dec 13, 2005 · N2261D · Bell 412 · Starter-GeneratorSDR CA060129016Case · fractured(CAN) DURING APPROACH, THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION ACCOMPANIED BY NOISE AND VIBRATION. THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT ISPECTION REVEALED A FRACTURED INLET CASE STRUT. (TC NR 20060129016)Dec 13, 2005 · Bell 212 · Turbine Engine Compressor SectionSDR HEEA107309Indicator · unknownEN ROUTE TO VHPW, ENGINE OUT LIGHT CAME ON FOR NUMBER 2 ENGINE. PARTICLE SEPARATOR FOR NR 2 CAME ON AND N1 GAUGE FOR NR 2 WENT TO ZERO. ITT AND N2 WAS NORMAL. RETURNED TO EZF AND CONTACTED MAINTENANCE.Nov 29, 2005 · N3893N · Bell 412 · Engine Indicating SystemSDR CA051223005Compressor · damagedDURING A MAINTENANCE CHECK FLIGHT, THE ENGINE EMITTED A LOUND NOISE ACCOMPANIED BY AN UNCOMMANDED POWER REDUCTION. THE ENGINE WAS SHUT DOWN IN FLIGHT. SUBSEQUENT INSPECTION REVEALED DAMAGE TO THE COMPRESSOR AND INLET AREA. P&WC WILL INVESTIGATE THE EVENT ANNov 14, 2005 · Bell 212 · Turbine Engine Compressor SectionSDR HEEA107321Tube · chafedNR 2 ENGINE OIL PRESSURE BEGAN TO FLUCTUATE AND SLOWLY DECREASED. WHEN GAUGE READING APPROACHED THE LOWER LIMIT THE MASTER CAUTION LIGHT BEGAN TO FLICKER. ENGINE WAS SHUTDOWN AND AIRCRAFT RETURNED TO BASE. MAINTENANCE FOUND A HOLE CHAFED IN THE OIL TO FUEL Nov 1, 2005 · N2148K · Bell 412 · Engine Oil PressureSDR CA051025003Gearbox · contaminatedFOUND A BOLT LOCKTAB IN NR 1 RGB CHIP DETECTOR HOUSING WHEN INVESTIGATING AN ENGINE CHIP LIGHT. ON FURTHER INVESTIGATION A SECOND LOCKTAB WAS FOUND IN THE VICINITY OF THE CHIP DETECTOR HOUSING. POWER SECTION WAS SEPARATED FROM THE C/BOX TO TROUBLESHOOT THE SSep 6, 2005 · Bell 212 · Turbine Engine Reduction GearSDR HEEA107323Tube · failedIN CRUISE FLIGHT AT 1200' AT 70% TORQUE, OBSERVED LARGE TORQUE SPLIT. NR 1 HIGH, NR 2 HAD DROPPED TO ZERO. N1 ON NR 2 WAS NOTED AT 58%. IDENTIFIED NR 2 ENGINE GOVERNOR FAILURE. SELECTED NR 2 ENGINE MANUAL THROTTLE, DIVERTED TO MANASSAS. LANDED WITH NO INCAug 22, 2005 · N2258F · Bell 412 · Turbine GovernorSDR 2005FA0001139Fitting · detachedDURING FLIGHT FITTING BECAME DETACHED CAUSING LOSS OF OIL. FOUND FITTING MADE OF ALUMINUM. NEW FITTING MADE OF STEEL. (K)Aug 8, 2005 · N212AH · Bell 212 · Turbine Engine Oil SystemSDR CA050706011Blade · debondedBOTTOM SKIN OF BLADE DEBONDED FROM TIP ALONG STAINLESS LEADING EDGE FOR 28 INCHES AND APPROX 3 INCHES PEELED BACK, CAUSING SEVERE VERTICAL VIBRATION. PILOT DECLARED A MAYDAY AND CARRIED OUT PRE-CAUTIONARY LANDING. BLADE WAS REMOVED AND SENT TO CTI AS IT WAS Jun 10, 2005 · Bell 212 · Main Rotor BladesSDR 04210533060Pump · noisyTHE AIRCRAFT WAS DECLARED OUT OF SERVICE AFTER LANDING, BECAUSE OF AN UNUSUAL NOISE DURING SHUTDOWN. ANOTHER COMPANY AIRCRAFT WAS DISPATCHED TO COMPLETE THE TRANSPORT. NR 2 HYDRAULIC PUMP MAKING LOUD NOISE. REPLACED NR 2 HYDRAULIC PUMP. OPS CHECK GOOD, FLIGApr 21, 2005 · N401MA · Bell 412 · Hydraulic Pump (Electric/Engine), MainSDR CA050418015Blade · damagedON DESCENT, HEARD SOUND SIMILAR TO WHISTLE & HEARD SOUNDS DURING RT BANK ON APPR. A/C SHUTDOWN, INSP M/R BLADES & STAB BAR FOR CAUSE OF NOISE. SUSPECT BLADE TAPE ON STAB BAR LOOSE. NO DEFECTS FOUND. NO FURTHER NOISE APPARENT. APPROX 1-2 MINS INTO NEXT FLTApr 12, 2005 · Bell 212 · Main Rotor BladesSDR AU510001454Gearbox · making metal(AUS) COMBINING GEARBOX METAL CONTAMINATION. (CASA# 510001454)Apr 6, 2005 · Bell 212 · Turbine Engine Reduction GearSDR CA050307001Engine · unresponsive(CAN) ON APPROACH NEITHER ENGINE RESPONDED TO INCREASED COLLECTIVE. THE AIRCRAFT AUTOROTATED TO A HEAVY LANDING. MFG WILL MONITOR THE INVESTIGATION INTO THIS EVENT AND WILL SUPPLIMENT THIS REPORT TO REFLECT ROOT CAUSE, ONCE ESTABLISHED.Feb 24, 2005 · Bell 212 · Engine (Turbine/Turboprop)SDR CA050209006Fitting · cracked(CAN) UPPER RT TAILBOOM ATTACH FITTING ON FUSELAGE FOUND CRACKED FROM LOCK FASTENER HOLE.Feb 9, 2005 · Bell 212 · Rotorcraft Tail BoomSDR CA050112006Line · fractured(CAN) THE ENGINE NO.2 POWER-SECTION EXPERIENCED AN UNCOMMANDED POWER REDUCTION IN CRUISE, FALLING BELOW GROUND IDLE.THE POWER-SECTION WAS SHUTDOWN IN FLIGHT AND THE AIRCRAFT RETURNED TO BASE. SUBSEQUENT INSPECTION REVEALED A FRACTURED P3 PNEUMATIC TUBE LEADINGJan 7, 2005 · Bell 212 · Pneumatic Distribution SystemSDR CA041217006Line · wrong part(CAN) DURING ENGINE VISUAL INSPECTION AT PWC, WE HAVE IDENTIFIED THAT 2 ITEMS FROM THE FUEL PRESSURE TUBING WERE NOT GENUINE AND WERE MANUFACTURED BY AN UNKNOWN SOURCE. THOSE 2 ITEMS HAVE NO IDENTIFICATION NUMBERS BUT WERE INSTALLED IN REPLACEMENT OF: FUEL CONDec 17, 2004 · Engine Fuel DistributionSDR CA041217007Data Plate · incorrect(CAN) ENG RECEIVED WITH FALSE DATA PLATE (ORIGINAL DATA PLATE FOUND IN ENG LOGBOOK). THE FALSE DATA PLATE ENGRAVED WITH SN 63235 WHILE THE ENGINE INTERNAL COMPONENTS SHOWED THAT ALL THESE COMPONENTS WERE FITTED INTO ENGINE SN 60263. SIMULTANEOULY, REAL ENGINE Dec 16, 2004 · Placards and MarkingsSDR CA041203003Bearing · failed(CAN) IN FLIGHT NOISE WAS HEARD AND SMALL AIRFRAME VIBRATION. A/C LANDED AS PRECAUTION AT AIRPORT. AIRCRAFT INSPECTED AND PROBLEM NOT DETECTED. COULD NOT DUPLICATE NO ISE OR VIBRATION. A/C FLOWN TO BASE AIRPORT. UPON FURTHER INVESTIGATION BEARING IN SPEED REDUDec 2, 2004 · Bell 412 · Cabin Cooling SystemSDR CUC2004F00000Bearing · inoperativeNR 1 POWER SECTION, NR 6 BEARING KEY WASHER WAS FOUND DISTORTED WITH OPEN FRACTURE AT THE STAKING LOCATIONS OF THE WASHER. MISSING WASHER PARTS FOUND ON CHIP PLUG. TIME SINCE LAST GEARBOX REPAIR 767.3 HOURS.Sep 27, 2004 · N911KW · Bell 212 · Accessory GearboxesSDR CA040728005Accumulator · leaking0.5 L OF HYDRAULIC FLUID LOST FROM NR 2 SYSTEM IN 1 HOUR OF FLIGHT. LEAK ISOLATED TO NR 2 ACCUMULATOR. ACCUMULATOR REPLACED AND A/C RETURNED TO SERVICE.May 6, 2004 · Bell 212 · Hydraulic Power Accumulator, MainSDR AUS20040155Oil Cooler · leaking(AUS) ENGINE/TRANSMISSION OIL COOLER INTERNAL LEAK. THE LEAK ALLOWED TRANSMISSION OIL TO ENTER THE COMBINING GEARBOX OIL SYSTEM UNDERPRESSURE AND OVERFILL THE COMBINING GEARBOX WHICH THEN VENTED THROUGH THE BREATHER.Mar 3, 2004 · Bell 412 · Engine Oil CoolerSDR AUS20040143Gearbox · contaminated(AUS) COMBINING GEARBOX CHIP DETECTOR METAL CONTAMINATION.Mar 1, 2004 · Bell 412 · Turbine Engine Reduction GearSDR CA040130009Cap · cracked(CAN) NOT UNUSUAL FOR THE OLDER STYLE BEAM CAP TO CRACK. THIS IS A REGION THAT IS PART OF OUR INSPECTION PROGRAM. THERE IS A MORE EXTENSIVE INSPECTION AFTER 10,000 HOURS.Jan 30, 2004 · Bell 212 · Nacelle/Pylon, Bulkhead/FirewallSDR AUS20040052Hose · leaking(AUS) MAIN TRANSMISSION OIL HOSE LEAKING. FURTHER INVESTIGATION FOUND THE HOSE WAS CHAFING IN THE AREA UNDER THE IDENTIFICATION TAG.Jan 25, 2004 · Bell 412 · Main Rotor GearboxSDR AUS20031299Gearbox · contaminated(AUS) ENGINE COMBINING GEARBOX METAL CONTAMINATION.Dec 29, 2003 · Bell 412 · Turbine Engine Reduction GearSDR HEEA092086Packing · leakingDURING CRUISE FLIGHT THE NR 1 ENGINE OIL PRESSURE DROPPED BELOW RED LINE. SHUT DOWN ENGINE AND RETURNED TO BASE.Dec 7, 2003 · N2149S · Bell 412 · Engine Oil Distribution (Airframe Furnished)SDR AUS20031191Gyro · failed(AUS) COPILOT TARSYN GYRO FAILED.Nov 22, 2003 · Bell 412 · Attitude Gyro and Indicating SystemSDR HEEA090474Governor · failedDURING CRUISE FLIGHT NR 1 ENGINE ITT WENT TO 970 DEGREES AND NR 2 ENGINE TORQUE WENT TO ZERO. PLACED NR 1 ENGINE GOVERNOR IN MANUAL AND LANDED AT NEAREST AIRPORT. REPLACED THE NR 1 ENGINE AND AFCU DUE TO HIGH SIDE GOVERNOR FAILURE. REPLACED THE NR 1 ENGINE Sep 30, 2003 · N412SM · Bell 412 · Turbine GovernorSDR ERAA091800Fuel Control · leakingFUEL CONTROL LEAKING AT MAX FUEL FLOW ADJUSTMENT. DRIVESHAFT AND GOVERNOR WEIGHS QUITE OLD. OVERHAULED IAW MFG OHM FORM 15-602E. CEB'S 1357R1, 136719, 1382R1 AND SIL 26 EMBODIED.Aug 13, 2003 · N423EH · Bell 412 · Fuel Controlling SystemSDR HEEA088567Bleed Valve · failedENGINE COMPRESSOR BLEED VALVE FAILED TO REMAIN CLOSED AT HIGH ENG OUTPUT CAUSING COMPRESSOR SURGES. REPLACED.Aug 5, 2003 · N142PH · Bell 412 · Compressor Bleed ValveSDR HEEA088568Fuel Control · malfunctionedUNABLE TO OBTAIN N1 TOPPING ON THIS UNIT, AFTER RERIGGING AND INTERCONNECT ADJUSTMENTS, STILL WOULD NOT GET 98 PERCENT. REPLACED.Jul 20, 2003 · N2148K · Bell 412 · Fuel Controlling SystemSDR HEEA088523Exciter · corrodedEXCITER CORRODED. TO BE SENT TO VENDOR.Jul 19, 2003 · N21498 · Bell 412 · ExciterSDR HEEA088470Bleed Valve · malfunctionedBLEED VALVE CAUSES ENGINE TEMP TO VARY 80 DEGREES AT FLAT PITCH AFTER A POWER CHANGE THEN RETURNED TO ORIGINAL POWER SETTING. SENT TO AVIALL FOR EXCHANGE.Jul 18, 2003 · N3893L · Bell 412 · Compressor Bleed ValveSDR HEEA088560Bleed Valve · malfunctionedHIGH TOT. SHOP REPAIR.Jul 13, 2003 · N42EA · Bell 206L3 · Compressor Bleed ValveSDR HEEA088563Governor · failedLOW SIDE FAILURE. SHOP REPAIR.Jul 13, 2003 · N21498 · Bell 412 · Turbine GovernorSDR HEEA086937Oil Cooler · leakingOIL COOLER LEAKING. SENT TO MFG. FOR WARRANTY REPAIR.Jun 3, 2003 · N6559Z · Bell 412 · Engine Oil CoolerSDR HEEA086938Oil Cooler · damagedFOUND COOLING FINS BENT. SENT TO MFG FOR INSPECTION AND REPAIR.Jun 3, 2003 · N6559Z · Bell 412 · Engine Oil CoolerSDR HEEA086624Bleed Valve · damagedBLEED VALVE DOES NOT SEAT PROPERLY WHEN CLOSED. CAUSING HIGH ITT.May 21, 2003 · N3911L · Bell 412 · Compressor Bleed ValveSDR HEEA086625Control Unit · splitUNCONTROLLABLE TORQUE SPLIT. TESTED AND FOUND SERVO VALVE LEAKAGE CAUSING UNEVEN FLOW BETWEEN SIDES. POLISHED SERVO VALVES AND LEVER. UNIT TESTED SATISFACTORY.May 21, 2003 · N142PH · Bell 412 · Fuel Controlling SystemSDR CA030926006Cap · fractured(CAN) FUEL DRIPPED FROM THE AFCU AND ENTERED THE CABIN OF THE AIRCRAFT. POST FLIGHT TROUBLESHOOTING IDENTIFIED A MAJOR LEAK FROM THE ALUMINUM CAP PLUG ON THE SIDE OF THE AFCU. EXAMINATION HAS IDENTIFED THAT THE FRACTURE IS DUE TO LCF. THE EXACT TOTAL TIME OF TMay 20, 2003 · Bell 412 · Fuel Control/Turbine Engines
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