Pratt & Whitney PT6 series
Service difficulty reports · 884
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 = 'PT6' 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 = 'PT6' 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 CA160119004Bearing · debonded(CAN) Y6-Y7 BELLCRANK BEARING FOUND DISBONDED.SDR CA151006011Engine · making metal(CAN) AFTER TAKING DELIVERY OF ACFT, DURING THE RETURN FLIGHT, THE CHIP DETECTOR LIGHT STARTED TO FLICKER ON AND OFF. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE POST FLIGHT DISCLOSED A HAIR LIKE FILAMENT ON THE AGB CHIP DETECTOR. THE OIL FILTER WAS INSPECTED ANSDR MT9R2015FA0000552Fuel Nozzle · damagedDURING A SCHEDULED FUEL NOZZLE MANIFOLD CLEAN/ FUNCTION CHECK, IT WAS FOUND THAT 3 EACH OF THE NOZZLE TIPS WERE STREAKING AT THE 3, 6 AND 10 O`CLOCK POSITIONS. THE NOZZLE TIPS WERE REMOVED FOR EXAMINATION AND FOUND ERROSION AROUND EACH TIP FUEL OUTLET HOLE.SDR CA150817009Oil System · leaking(CAN) DURING TAKE-OFF, THE PILOT NOTICED A SIGNIFICANT AMOUNT OF OIL ON THE WINDSCREEN AND SMOKE COMING FROM THE ENGINE AREA. THE PILOT IMMEDIATELY COMMENCED A RETURN APPROACH BACK TO THE RUNWAY AND THEN RECEIVED THE LOW OIL PRESSURE WARNING. DUE TO POOR VISIBSDR 14XR2015080400001Control Valve · failedDURING FLIGHT, ACFT LOST CABIN PRESSURIZATION AT AN ALTITUDE OF 22,000 FEET. PILOT DECLARED AN INFLIGHT EMERGENCY AND LANDED THE ACFT. THERE WERE NO INJURIES OR ACFT DAMAGE. PART TIME AND CYCLES ARE NOT AVAILABLE.SDR CA150429009Gearbox · making metal(CAN) MAIN ROTOR GEARBOX SUMP CHIP CAS ILLUMINATED POST START-UP. WOULD NOT BURN.SDR CA150408016Chip Detector · contaminated(CAN) A CHIP LIGHT ACTIVATED TWICE ON THE NR 1 INPUT CHIP DETECTOR OF THE RGB. THE MATERIAL FOUND ON THE CHIP DETECTOR SEEMS TO BE MATERIAL LEFT OVER FROM THE MANUFACTURING PROCESS, BUT TO MAKE SURE, THE MATERIAL HAS BEEN SENT TO A LAB FOR ANALYSIS. EXPECT TSDR CA150313013Blade · separated(CAN) IAW "AVIATION OCCURRENCE REPORT" DATED MARCH, 11, 2015: AFTER LANDING ON RUNWAY 23, WHILE ON TAXIWAY P, SMOKE ODOR WAS DETECTED BY CAPTAIN AND WAS VERIFIED TO BE PRESENT WITH THE FIRST OFFICER. THE SMOKE ODOR APPEARED TO INCREASE AS WAS ACCOMPANIED WITHSDR CA150217010Warning Light · illuminated(CAN) NUMBER 2 ENGINE CHIP CAS MESSAGE ILLUMINATED IN FLIGHT & STAYED ON.SDR CA150205005Fuel Control · malfunctioned(CAN) AIRCRAFT CAME BACK FROM A NORTH SEA ROTATION, ON GROUND AT PARKING THE ENGINE WAS AT FLIGHT IDLE AND WHEN THE PILOT SELECTED THE GROUND IDLE POSITION THE ENGINE FLAMEOUT. AFTER NUMEROUS START THE ENGINE DID NOT START. TROUBLESHOOTING CARRIED OUT AT CUSTOSDR CA150205006Engine · failed(CAN) FOLLOWING THE REPLACEMENT OF THE LEFT PROPELLER PALE A TEST FLIGHT WAS PERFORMED. DURING THE FLIGHT TEST, THE CREW STARTED THE ENGINE FAILURE PROCEDURE AND IN FLIGHT RELIGHT PROCEDURE WITHOUT RESULT. AFTER A SECOND ATTEMPT TO RELIGHT THE ENGINE WITHOUT SSDR CA150113001Engine · making metal(CAN) THE PILOT REPORTED THE NR 2 ENGINE FLAME OUT WITH STRONG NOISE. DURING TROUBLESHOOTING THE MAINTENANCE PERFORMED THE ENGINE VISUAL INSPECTION AT THE POWER TURBINE AND FOUND METAL PARTICLES INSIDE EXHAUST AREA. MAINTENANCE ATTEMPTED TO ROTATE THE PROPELLESDR CA141128009Retainer · misinstalled(CAN) ENGINE WAS TIME EXPIRED AND RECEIVED FOR TEARDOWN. UPON DISMANTLE, THE PT DISK WAS FOUND WITH THE BLADE RETAINING RIVETS INSTALLED BACKWARDS.SDR CA141202016Engine · power loss(CAN) ON TAKE-OFF ROLL FOR A WATER BOMBING MISSION, THE AIRCRAFT WAS ONLY ABLE TO ACHIEVE 2800 FT LBS OF TORQUE BEFORE BEING ON MAX ITT LIMIT (TARGET TORQUE FOR THE DAY WAS 3500LBS). ALL OTHER ENGINE PARAMETERS WERE NORMAL. THE AIRCRAFT DUMPED IT`S LOAD OF WATSDR CA140910009Module · malfunctioned(CAN) WHILE IN COUPLED CRUISE FLIGHT, THE NR 2 ENGINE SURGED HIGH TWICE IN ABOUT A MINUTE. THE FIRST TIME UP TO 102 PERCENT.SDR L2QR201406250001Fuel Nozzle · unsecureDURING HOT SECTION INSPECTION IT WAS DISCOVERED THAT FOUR FUEL NOZZLE ASSEMBLY KEY WASHERS NOT PROPERLY BENT TO SECURE NOZZLE. TABS WERE BENT OVER THE FUEL NOZZLE ADAPTER INSTEAD OF THE FUEL NOZZLE ASSEMBLY.SDR CA140701001Engine · overheated(CAN) WHILE PERFORMING EXTENDED HOVER DURING SEARCH AND RESCUE HOIST TRAINING, THE ENGINE OIL TEMPERATURE REACHED 140 C. THE MISSION WAS ABORTED AND THE ACFT RETURNED TO BASE. TOUBLESHOOTING IS ON-GOING AND OPERATOR WILL LIKELY ELECT TO REPLACE THE ENGINE.SDR CA140630010Bleed Valve · failed(CAN) THE NR 1 ENGINE EXPERIENCED A TORQUE UP TRIM UP TO 104 PERCENT DURING HOVER. THE MISSION WAS ABORTED. DURING THE TROUBLESHOOTING, THE NR 2 ENGINE COMPRESSOR BLEED VALVE, BOV WAS REPLACED. THE HELICOPTER HAS RETURNED TO SERVICE.SDR RU3A20140422017Fluid · lowOIL PRESS FLUCTUATING BETWEEN 70 & 800 PSI ON THE NR 1 ENG. FOUND NO OIL ON DIPSTICK WHEN CHECKED. ENG WAS SERVICED TO BRING OIL QUANTITY UP. RAN ENG & FOUND ALL OIL PRESSURES, TEMPS & ENG TORQUE NORMAL.SDR EPUA20140325001Adapter · looseRIGHT POWER LEVER HIT STOP WITHOUT DEVELOPING FULL POWER. RT STARTER GEN COOLING DUCT ADAPTER PN 101-910062-7, LOOSE FROM THE STARTER GEN & INTERFERING WITH THE FUEL CONTROL INPUT LINKAGE TRAVEL. RE SECURED THE COOLING ADAPTER CAP PROPERLY TO REMEDY THIS CONSDR 8EKA20140120004Flap · crackedDURING INSPECTION A CRACK WAS FOUND ON THE LT WING FLAP. THE ACFT WAS REMOVED FROM SERVICE & REPAIRED.SDR CA140103006Window · separated(CAN) RT WINDOW ASSY BECAME SEPARATED FROM COCKPIT DOOR IN FLIGHT. FLIGHT CREW DISCONTINUED FLIGHT AND SAFELY LANDED AT AIRPORT.SDR VQMA20131108001Engine · malfunctionedINFLIGHT , RT ENGINE TORQUE GAGE BEGAN TO FLUCTUATE ON THE RETURN LEG BACK TO DEPARTURE. WITHIN TWO MINUTES, RT ENGINE OIL PRESSURE GAGE STARTED TO FLUCTUATE AS WELL. FLUCTUATED BETWEEN 100PSI, AND 50PSI RAPIDLY. A MINUTE OR TWO LATER THE RT OIL PRESSURE GSDR 7AJA2013091600001Landing Gear · malfunctionedDURING APPROACH, PILOT EXTENDED LANDING GEAR AND NOTICED NO GREEN LIGHT ON THE RT MAIN GEAR. DECLARED AN EMERGENCY AND MADE AN ATTEMPT TO DEPLOY USING EMERGENCY EXTENSION PROCEDURE. GREEN EXTENDED AND LOCKED LIGHT FAILED TO ILLUMINATE BUT THE EMERGENCY HANDSDR 2013FA0000500Bushing · wornRT RUDDER PEDAL MOUNT ASSY HAS EXCESSIVE WEAR, PLAY BETWEEN THE BUSHING AND RUDDER MOUNT ASSY AT TOP WHERE BUSHING IS INSERTED FOR THE THROUGH BOLT.SDR CA130822010Gearbox · making metal(CAN) CHIP PLUG ILLUMINATED DURING CLIMBOUT, ALT 9000FT, PILOT RECORDED ENGINE PARAMETERS 4200 LBS TORQUE, 1700 PRO RPM, ITT 815, OIL TEMP 55, OIL PRESSURE 135. AGB PLUG WAS DETERMINED TO HAVE CAUSED ILLUMINATION. PLUG REMOVED AND SMALL SLIVER FOUND. OIL FISDR CA130820002Display · inoperative(CAN) PILOT`S PFD FAILED TO INITIALIZE ON START-UP. TROUBLESHOOTING FAILED TO INITIALIZE SCREEN. SCREEN EXCHANGED WITH O/H UNIT. NEW SCREEN INSTALLED AND SYS FOUND SERVICEABLE. NO SIGNS OF ANY CONTAMINATION ON THE EXTERIOR OF THE OLD SCREEN. UPON RECEIPT SDR 2013FA0000405Clevis Pin · backed outCLEVIS PIN WAS LAYING ON FLOOR OF ACFT. HOLDS THROTTLE CABLE TO THE THROTTLE LEVER. ON TAKEOFF THE THROTTLE WAS PUT TO MAX POWER AND THE ENGINE DID NOT RESPOND. IT APPEARS THE CLEVIS PIN SHOULD HAVE HAD A WASHER AND COTTER PIN TO HOLD IT IN PLACE. THE PIN SDR CA130701009Oil System · low pressure(CAN) THE PILOT SHUTDOWN THE ENGINE NR 1 DUE TO OIL PRESSURE LOST.SDR CA130701008Engine · malfunctioned(CAN) WHEN STARTING TAKEOFF ROLL, THE PILOT NOTICED THAT ENGINE TEMPERATURE WAS DROPPING AS TORQUE WAS INCREASING. THE T/O WAS ABORTED AND THE ACFT RETURNED TO THE GATE. TROUBLESHOOTING IS ON ON-GOING AND FOCUSING ON A POSSIBLE ELECTRICAL INTERFERENCE, GROUNSDR CA130614006Engine · shutdown(CAN) SHORTLY AFTER DEPARTURE, THE ACFT CRASHED IN A RESIDENTIAL AREA. POST CRASH FIRE OCCURRED, SETTING 2 HOUSES ON FIRE AND DAMAGING A 3RD. NO ONE ON THE GROUND WAS HURT. ON SITE WRECKAGE DID NOT SHOW ANY OBVIOUS CAUSES FOR THE ACCIDENT AND AS SUCH, THE SDR CA130521015Windshield · cracked(CAN) THE BOTH THE PIC & CO-PLIOT HEARD THE WINDSCREEN TO "POP" IN FLIGHT AND A CRACK WAS NOTICED IN BOTH THE RT & LT GLASS. THE CREW LANDED THE ACFT WITHOUT INCIDENT.SDR CA130508012Seal · leaking(CAN) DURING THE REPLACEMENT OF THE IGB, INTERMEDIATE GEARBOX, SEAL, DUE TO LEAKAGE, THE LIP SPRING WAS FOUND ON THE INPUT SHAFT, INSIDE THE IGB, INSTEAD OF SITTING ON THE SEAL`S LIP ITSELF. NEW SEAL WAS INSTALLED AND INPUT SHAFT REMOVED AND REINSTALLED A FESDR CA130412001Hook · detached(CAN) HELICOPTER DEPARTED AIRPORT FROM THE THRESHOLD OF RW19 DURING A VFR TRAINING FLIGHT. UPON RETURN TO AIRPORT, A VFR APPROACH TO THE THRESHOLD OF RW19 WAS CONDUCTED TO A LANDING. AFTER LANDING, THE LT SEAT PILOT NOTICED A SMALL OBJECT APPROXIMATELY 10 MESDR CA130212018Wire Harness · damaged(CAN) IFSD WAS PILOT INDUCED DUE TO HIGH AND FLUCTUATING ITT. AFTER THE DCU AND THE FDR DATA WAS REVIEWED, IT APPEARS TO BE A CONNECTIONS ISSUE. IT WAS RECOMMENDED TO THE TO CHECK ALL THE CONNECTIONS AND ITT HARNESS TO CORRECT THIS ISSUE. THE PREVIOUSLY PROSDR CA130129007Pitot Line · melted(CAN) CREW REPORTED TO MAINTENANCE THAT THE CAPTAINS AIRSPEED INDICATOR WAS READING UP TO 40 KNOTS LOWER THAN CO-PILOTS AIRSPEED IN FLIGHT. PITOT STATIC LEAK CHECK AND VISUAL INSPECTION OF AIRCRAFT REVEALED BOTH CAPTS PITOT AND STATIC PLASTIC LINES MELTED FROSDR A8OA201301140001Engine · overheated10 MINUTES AFTER DEPARTURE EXPERIENCE NR 2 ENGINE OVER OIL TEMP. CREW REDUCED POWER ON NR 2 ENGINE, OIL OVER TEMP OCCURRED AGAIN, CREW THEN INITIATED AND COMPLETED PRECAUTIONARY ENGINE SHUTDOWN. REMOVED AND INSPECTED ENGINE OIL FILTER WITH NO DEFECTS NOTED, RESDR 2012FA0000791Inverter · failedNR 1 INVERTER FAILED ON CLIMBOUT. LEFT MICROPHONE STUCK IN TRANSMIT POSTION. PILOT DESENDED BELOW 18,0000 AND SQUAWKED 7600. PILOT REPORTED HSI EFIS SCREEN FAILED. PILOTS SIDE HSI WAS SWITCHED TO DISPLAY ON MFD. LANDING WAS MADE UNEVENTFUL. INSTALLED INVESDR HSYA2012101512Boot · damagedPILOT REPORTED THAT WHILE ENROUTE, DECLARED AN EMERGENCY WHEN A PIECE OF THE NR 2 PROPELLER BLADE DE-ICE BOOT SEPARATED FROM THE PROP. CREW NOTICED A SLIGHT DROP IN ENGINE OIL PRESSURE BUT REMAINED IN THE NORMAL RANGE. AS A RESULT THE CREW ELECTED TO DIVERT FSDR 2013FA0000185Bearing · failedDURING FLIGHT, ACFT EXPERIENCED AN ASYMMETRICAL FLAP CONDITION. PROTECTION CIRCUIT WORKED APPROPRIATELY, BUT CREW NOTICED INTERFERENCE WITH AILERON, DECLARED AN EMERGENCY AND LANDED SAFELY. ON INVESTIGATION, TROUBLE WAS FOUND TO BE IN THE AFT INBD BEARING. SDR 2012FA0000481Blade · looseDURING SECOND ENGINE START OF THE DAY, THE RT PROP STARTED VIBRATING. START WAS ABORTED AT APPROX 40 PERCENT N1. ON INSPECTION OF PROPELLER, FOUND 3 BLADES FEATHERED AND IN LOW PITCH. NR 1 BLADE COULD BE REPOSITIONED BY HAND. REMOVED PROPELLER AND SENT FORSDR CA120514001Blades · damaged(CAN) EIR PT6A 2012-048, OVERHAUL SHOP WAS ABLE TO CONFIRM THE INTERNAL ENGINE FAILURE REPORTED BY THE CUSTOMER. REVIEW OF THE ENGINE REVEALED EXTENSIVE DAMAGE OF THE POWER TURBINE BLADES AND COMPONENTS DOWNSTREAM AND UPSTREAM THE GAS PATH. THE DAMAGE WAS COSDR CA120606003Compressor · fod(CAN) DURING FLIGHT, THE PILOT REPORTED A LOUD NOISE FROM THE LT ENGINE. THE TORQUE PRESSURE DROPPED TO 20 LBS BUT ALL OTHER INDICATIONS WERE NORMAL. THE PILOT REDUCED POWER TO IDLE AND OBSERVED THE ENGINE TEMPERATURE STILL 750 C. THE ENGINE WAS SHUTDOWN ANSDR CA120524004Engine · overtemp(CAN) DURING FLIGHT, THE ENGINE TEMPERATURE CLIMBED ABOVE 1000C. THE PILOT SHUT THE ENGINE DOWN AND LANDED SAFELY, SINGLE ENGINE. THE ENGINE WAS REPLACED AND THE HELO WAS RETURNED TO SERVICE. NO DETAILS WERE AVAILABLE ON ENGINE CONDITION OR TROUBLESHOOTING PESDR CA120514008Engine · failed(CAN) PILOT REPORTED A BIG BANG AND POP COMING FROM THE LT ENGINE, TORQUE PRESSURE DROPPED TO 20 LBS BUT ALL OTHER INDICATIONS WERE NORMAL. HE THEN REDUCED POWER TO IDLE AND OBSERVED LT TEMPERATURE STILL AT 750 CELSIUS, ALL OTHER INDICATIONS WERE NORMAL. HE THSDR GLBA2012040201Engine · failedPILOT REPORTED THAT AFTER TAKEOFF AT 5000 FT, NR 1 ENGINE SHUTDOWN, RAN CHECKLIST, DECLARED EMERGENCY, RETURNED TO DEPARTURE, MANUALLY FEATHER NR 1 PROP. MX R & R LT ENGINE, PWR SEC AND GAS GENERATOR, IAW TC 1900-7100-00, OPS CHECKED GOOD.SDR 2012FA0000167Bracket · wornTHE PILOT COMPLAINED OF EXCESSIVE ROLL DURING LANDING WITH FULL FLAPS, INSPECTION FOUND THE RT AND LT INBD AFT FLAP BELLCRANKS TO HAVE EXCESSIVE PLAY IN ITS ATTACH BRACKETS. DURING DISASSEMBLY A TORQUE CHECK WAS DONE ON THE CENTER STUD AND FOUND TO BE UNDER TSDR 2012FA0000168Bracket · wornDURING A ROUTINE INSPECTION, FOUND RT AND LT INBD AFT FLAP BELLCRANKS TO HAVE EXCESSIVE PLAY IN ATTACH BRACKETS. DURING DISASSEMBLY A TORQUE CHECK WAS DONE ON THE CENTER STUD AND FOUND TO BE UNDER THE TORQUE VALUE OF 35"LB WHICH IN TURN WAS A .2500 TURN OF THSDR CA120312024Gear · failed(CAN) DURING HEAVY MAINTENANCE OF A CH146, 3000HR/5 YEAR INSPECTION IT WAS NOTICED THAT THE CHAIN FOR THE RGB FILLER CAP AND ADAPTER PN 212-062-504-001 HAD DETACHED FROM THE FILLER TUBE. A SECTION OF THE CHAIN WAS FOUND LODGED IN THE FILLER CHECK VALVE ASSY ASDR V2JA2012010600006Oil System · fluctuatesDURING CRUISE, RT ENGINE OIL PRESSURE BEGAIN FLUCTUATING, CREW CONTINUED TO MONITOR GUAGE AND APPROX 30 MINS LATER, OIL PRESSURE BEGAN TO DROP AND RT OIL PRESSURE WARNING LIGHT ILLUMINATED, CREW FOLLOWED CHECKLIST AND SECURED NR 2 ENGINE, DECLARED AN EMERGENC
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