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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA030530003Blade · cracked(CAN) DURING ANNUAL M/R BLADE INSPECTION AME DISCOVERED A SMALL CORROSION PIT IN BLADESKIN LOCATED AT BLADE STATION 13.7 & 5.5 FROM LEADING EDGE.(SEE ATTACHED PHO TOS)FOUR CRACKS WERE FOUND ORIGINATING FROM THE PIT.THE LONGEST CRACK WAS 14 INCH CHORDWISE, TWO SDR ERAA086442Control Unit · splitTORQUE SPLIT 20 PERCENT IN CRUISE FLIGHT SENT INTO MANUFACTURER FOR REPAIR. DISMANTLED AND COMPONENT EXAMINATION FOUND SERVO VALVE ORIFICES AND LEVER TO BE CONTAMINATED WITH OILY BROWN SOOT PAST. APPRECIABLE WEAR WAS EVIDENT ON THE SERVO VALVE LEVER AND ORISDR HEEA084953Control Unit · splitTORQUE SPLITS. FOUND PR-PG RESTRICTORS AND SERVO LEVER WORN. REPLACED PARTS. TESTED SATISFACTORY.SDR HEEA084954Control Unit · splitTORQUE SPLITS AND OSCILLATIONS. FOUND LEAKAGE. POLISHED AND RESET SERVO VALVES AND LEVER. TESTED SATISFACTORY.SDR HEEA084955Control Unit · oscillatesTORQUE CONTROL UNIT CREATES TORQUE OSCILLATIONS.SDR HEEA084956Control Unit · oscillatesTORQUE CONTROL UNIT CAUSES ENGINE OSCILLATIONS AND TORQUE ACCELERATIONS. COULD NOT DUPLICATE OSCILLATION. UNIT NEEDED MINOR TRIM ADJUSTMENTS. TESTED SATISFACTORY.SDR HEEA084957Control Unit · splitTORQUE SPLITS. FOUND LEAKING SERVO VALVES. REPLACED VALVES AND LEVER. TESTED SATISFACTORY.SDR HEEA085000Lead · chafedIGNITER LEAD CHAFED.SDR HEEA084484Control Unit · surgesCONTROL UNIT CAUSING TORQUE SURGES WHEN POWER IS APPLIED. IN SHOP FOR REPAIR.SDR HEEA084485Fuel Control · malfunctionedNR 1 ENGINE FLUTTERS IN MANUAL MODE WHEN THROTTLE ADVANCED. IN SHOP FOR REPAIR.SDR HEEA084512Governor · oscillatesFREE TURBINE GOVERNOR PRODUCING ENGINE OSCILLATION. REPAIRED.SDR HEEA084513Governor · malfunctionedFREE TURBINE GOVERNOR PRODUCING N1, ITT, N2 OSCILLATION AT FLAT PITCH AND FLIGHT. REPAIRED.SDR HEEA084514Governor · damagedTROUBLESHOOTING. FOUND GOVERNOR BREAK LOW AND UNIT HANGING. SPLIT UNIT AND INSPECTED INTERIOR AND FOUND FLYWEIGHTS STICKING SLIGHTLY. CLEANED FLYWEIGHT PINS AND RETESTED. UNIT TESTED OK.SDR HEEA084515Governor · malfunctionedBEEP RANGE KEEPS CHANGING. FOUND GOVERNOR ACTION TO BE A LITTLE SLUGGISH. FOUND FLYWEIGHT PINS COATING TO BE SLIGHTLY WORN AND TEFLON FLYWEIGHT WASHERS ALSO WORN. REPLACED PARTS AND UNIT TESTED SATISFACTORY.SDR HEEA084516Governor · malfunctionedTORQUE SPLIT. FOUND GOVERNOR BREAK SLOW TO RESPOND. REPLACED TEFLON TUBE AND ROLLER BEARINGS DUE TO WEAR. UNIT TESTED SATISFACTORY.SDR HEEA084517Governor · malfunctionedLOW SIDE FAILURE. FOUND GOVERNOR RESPONSE SLOW. FOUND ACTION OF FLYWEIGHTS SLOW DUE TO DIRTY AND WORN COATING ON FLYWEIGHT PINS. ALSO FOUND SLIGHT WEAR ON TEFLON TUBE. REPLACED PINS AND TUBE. UNIT TESTED SATISFACTORY.SDR HEEA084518Governor · failedHIGH SIDE GOVERNOR FAILURE. REPAIRED.SDR HEEA084519Governor · oscillatesGOVERNOR CAUSING OSCILLATION WHEN POWER IS APPLIED. REPAIRED.SDR HEEA084522Bleed Valve · failedBLEED VALVE FAILED ENGINE HAS HIGH ITT AND N1 SPEED.SDR HEEA084523Bleed Valve · failedTROUBLESHOOTING BLEED VALVE FOR HIGH ITT.SDR HEEA084531Bleed Valve · failedBLEED VALVE CAUSES COMPRESSOR STALLS WHEN ROLLING THROTTLE TO FULL OPEN.SDR HEEA084532Fuel Control · failedDURING FUEL CROSS FEED CHECK THE NR 2 ENGINE FLAMED OUT. FLOW PROBLEMS (INCONSISTENT). THE BYPASS VALVE WAS STUCK. REPLACED VALVE AND SLEEVE. UNIT TESTED SATISFACTORY.SDR HEEA084609Pump · leakingFUEL PUMP SEAL LEAKING AT AFCU. POLISHED GEAR SET AND RETESTED UNIT. UNIT TESTED SATISFACTORY.SDR CA030220002Bearing Race · spalled(CAN) A WEEK PREVIOUS, THE BELL 212 HAD A CHIP LIGHT ON THE M/R TRANSMISSION. THE CHIP PLUGS WERE PULLED AND THE ENGINEER FOUND FINE FUZZ AND SLIVERS, INSIGNIFICANT TO WARRANT FURTHER INVESTIGATION BUT TO MONITOR. NEXT WEEK THE PILOT REPORTED THAT THE CHIP LIGSDR HEEA083969Engine · overtempCOMPRESSOR STALL ON NR 1 ENGINE. NR 1 N1 ENGINE DROPPED OFF LINE ON SHORT FINAL. MAINTENANCE DETERMINED THROUGH HUMS DATA RETRIEVED THAT THE NR 1 ENGINE ITT HAD EXCEEDANCE 1006 DEGREES FOR 15 SECONDS. REPLACED ENGINE.SDR HEEA083543Engine · malfunctionedENGINE POWER SECTION PRODUCING LOW POWER N1. TO BE SENT TO VENDOR.SDR HEEA083544Engine · overheatedENGINE TEMP WENT ABOVE 1006 DEGREES FOR 15 SEC. AFTER COMPRESSOR STALLED. IN SHOP REPAIR.SDR CA030108018Bearing · failed(CAN) PILOT OBSERVED NR 1 GENERATOR FAIL CAUTION LIGHT FLICKERING WHILE IN NORMAL CRUISE FLIGHT. NORMAL OPERATION CONTINUED ON NR 2 SYSTEM. NR 1 STARTER-GENERATOR WOULD NOT CRANK ON NEXT START AND WAS REPLACED WITH A SERVICEABLE UNIT. UNIT IS AWAITING DISSASEMSDR HEEA082607Governor · failedNR 1 ENGINE DECELERATED ON TAKEOFF. REPLACED NR 1 GOVERNOR.SDR CA021016003Chip Detector · flaking(CAN) TIN PLATING OF CHIP DETECTOR POLES FOUND TO BE FLAKING OFF, POTENTIAL FOR ERRONEOUS INDICATION. PART REPLACED WITH SERVICEABLE UNIT AND SENT TO MANUFACTURER FOR ANALYSIS.SDR AUS20021096Hose · worn(AUS) TRANSMISSION OIL HOSE HOLED AND LEAKING. HOSE WAS CHAFING ON AN ADJACENT PIPE. TRANSMISSION OIL LOST OVERBOARD.SDR AUS20020959Valve · faulty(AUS) NO1 HYDRAULIC SYSTEM INTEGRATED VALVE ASSEMBLY FAULTY.SDR AUS20020960Heater · leaking(AUS) FUEL/OIL HEATER LEAKING FROM WELD ON THE TOP OF THE HEATER. NOCRACK OR HOLE WAS VISIBLE USING A X10 MAGNIFYING GLASS.SDR HEEA080507Bleed Valve · oscillatesBLEED VALVE HAS INTERMITTENT OSCILLATION.SDR HEEA080508Bleed Valve · oscillatesBLEED VALVE DELIVERS ENGINE OSCILLATIONS.SDR HEEA080509Bleed Valve · failedBLEED VALVE PRODUCING HIGH ITT (100 DEGREES HIGHER) AND ENGINE N1 FLUCTUATIONS.SDR HEEA080510Bleed Valve · malfunctionedBLEED VALVE PRODUCING ENGINE SURGE.SDR HEEA080511Bleed Valve · malfunctionedBLEED VALVE PRODUCING CONSTANT TORQUE SURGES IN FLIGHT.SDR HEEA080512Bleed Valve · malfunctionedBLEED VALVE PRODUCING OSCILLATION IN HOVER.SDR HEEA080517Oil Cap · stickingOIL FILLER CAP DIFFICULT TO REMOVE. SCRAPPED.SDR HEEA080539Servo Valve · leakingTORQUE SPLIT. TESTED UNIT AND FOUND SERVO VALVES LEAKING. REPLACED SERVO VALVE AND SERVO LEVER WITH REWORKED PART. UNIT TESTED SATISFACTORY.SDR HEEA080540Control Unit · oscillatesBOTH ENGINES OSCILLATING TOGETHER 3 TO 4 PERCENT. REPLACED WITH SERVICEABLE PART.SDR HEEA080541Servo Valve · leakingLARGE TORQUE OSCILLATION. FOUND SERVO VALVES AND LEVER LEAKING AIR. CLEANED VALVES AND LEVER, RESET UNIT AND TESTED SATISFACTORY.SDR HEEA080542Servo Valve · leakingENGINE SURGE. FOUND SERVO VALVES LEAKING. PERFORMED 2500 HOUR INSPECTION. POLISHED SERVO VALVES AND RE-CALIBRATED UNIT. TESTED SATISFACTORY.SDR HEEA080543Servo Valve · leakingCAUSES TORQUE SPLITS AND ERRATIC CONTROL. ENGINES SURGING. FOUND SERVO VALVES LEAKING. REPLACED SERVO VALVES AND SERVO VALVE LEVERS. UNIT TESTED SATISFACTORY.SDR HEEA080544Fuel Control · damagedLEAKING AT DOME WEEP HOLE. SPLIT UNIT AND INSPECTED TORQUE TUBE BORE. FOUND TORQUE TUBE BORE COATING FLAKING OFF. SENT MAIN BODY TO VENDOR FOR REPAIR. REASSEMBLED UNIT AFTER REPAIR AND FOUND NO LEAKING. UNIT TESTED SATISFACTORY.SDR AUS20020706Heater · leaking(AUS) FUEL/OIL HEATER LEAKING OIL FROM WELD LINE ON MAIN BODY.SDR AUS20020663Tach Generator · faulty(AUS) TACHOMETER GENERATOR FAILED.SDR HEEA079925Engine · failedWHEN PLACED IN MANUAL, GOVERNOR ENGINE COMPRESSOR STALLED AT APPROXIMATELY 70 & N1 SPEED. FLAME CAME OUT OF EXHAUST STACK. ENGINE REMOVED FOR OVERTEMP INSPECTION. REPLACED WITH SERVICEABLE PART.SDR HEEA079926Bleed Valve · failedENGINE PRODUCING LOW POWER, BLEED VALVE REPLACED
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