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 CA110523002Engine · noisyNOISE/RUMBLE HEARD COMING FROM ENGINE AREA DURING START.SDR CA110518003Bearing Race · failedBEARING RACE FAILURE DISCOVERED AT 1200 HR INSPECTION. GRIP CONTAINING RACE WAS CONTAMINATED WITH METAL FLAKES.SDR CA110518002Grip · unserviceableREQUIRED UT INSPECTION SHOWED CRACK INDICATIONS. GRIP WAS SENT TO MFG FOR EVALUATION. EVALUATION AS FOLLOWS, "GRIP WAS SENT IN FOR UT INSP FOR CRACK INDICATION, INSPECTED WITH BUSHINGS INSTALLED & REMOVED. INSPECTED BORES FOR DIAMETER AND FOUND LOWER TANG BORSDR CA110408003Fitting · cracked(CAN) TAIL BOOM LOWER LT ATTACHMENT FITTING FOUND CRACKED ON DAILY INSPECTION. ACFT GROUNDED. R & R WITH NEW PART. CRACK EXTENDS FROM TAIL BOOM ATTACHMENT BOLT HOLE TO EDGE OF FITTING. ALSO, A SECOND CRACK FOUND PROGRESSING FROM THE BOLT HOLE IN THE OPPOSITSDR CA110322004Blade · delaminated(CAN) DURING DAILY INSPECTION, THE TAIL ROTOR BLADE WAS FOUND TO HAVE DELAMINATED SKIN ON THE OTBD SIDE OF THE BLADE, 4 INCHES FROM END TIP OF BLADE & AFT OF LE STAINLESS STEEL STRIP. THE ALUMINUM SKIN HAD DEBONDED FROM THE SPARE APPROX 5 INCHES SPAN WISE & 3SDR CA110322009Fuel Sys · blocked(CAN) PARTIAL INTERNAL BLOCKAGE CAUSED FUEL PRESS DIFFERENTIAL SWITCH TO ACTIVATE LIGHT ON CAUTION PANEL FOR NR 1 POWER SECTION.SDR CA110216005Relay · shortedINDICATION ON CAUTION PANEL DIM INTERNAL SHORT.SDR CA110214012Support Case · crackedMAIN TRANSMISSION SUPPORT CASE FOUND CRACKED ON DAILY INSPECTINO. AME NOTICED OIL WEEPING FROM AREA AROUND LIFT LINK FITTING. TRANSMISSION REMOVED FOR INSPECTION AND REPAIR.SDR CA110214014Attach Fitting · cracked(CAN) CAP SECTION UNDER UPPER LEFT HAND TAIL BOOM ATTACHMENT FITTING FOUND CRACKED VERTICALLY TO EDGE ON DAILY INSPECTION. AIRCRAFT REMOVED FROM SERVICE. TAIL BOOM REMOVED FOR CAP REPLACEMENT.SDR EOPA020211397ALFrame · crackedFRAME WAS FOUND CRACKED AT APPROX STA 78 IN TAILBOOM ABOVE BAGGAGE COMPARTMENT.SDR EOPA012811397ALBulkhead · crackedFOUND .5 IN CRACK IN BULKHEAD ASSY LOCATED AT APPROX STA 185 IN TAILBOOM. CRACK WAS IN THE CTR RT PORTION OF THE FRAME.SDR CA110206002Stiffener · crackedSTIFFENER, IN BASE OF FIN FOUND CRACKED ALONG FLANGE AGAINST SKIN.SDR CA110322010Transfer Valve · failed(CAN) VALVE SLOW TO ACTIVATE, CAUTION LIGHT WILL NOT ALWAYS GO OUT.SDR CA110124002Filter · clogged(CAN) PILOT COMPLAINED OF SLOW ACCELERATION ON NR 2 PS. MEETING WITH MAINTENANCE CREW DECIDED TO TROUBLESHOOT WITH A 4 ACTION RESPONSE. FIRST ACTION WAS TO CHECK ENGINE DRIVEN FUEL PUMP OUTPUT. BOTH ENGINES MEASURE SAME FUEL OUTPUT INDICATING NO PROBLEMS ISDR CA101222006Monitor · misinstalled(CAN) IN-FLIGHT THE MASTER CAUTION THE TRANSMISSION OIL PRESSURE LIGHT ILLUMINATED AND THE TRANSMISSION OIL PRESSURE WAS RAPIDLY FALLING. THE ACFT WAS LANDED IMMEDIATELY IN A SAFE ZONE. UPON LANDING, OIL WAS CONFIRMED LEAKING FROM THE TRANSMISSION. TRANSMISSDR ALGA1081051001988Impeller · crackedOIL COOLER BLOWER HAS A CRACKED IMPELLER.SDR YTRAN293CAJZ1Cable · brokenTHE ACFT IS EQUIPPED WITH STC'D EMERGENCY FLOAT BAGS WITH LIFE RAFT. THE EMERGENCY RAFT PULL CABLE TO ACTIVATE THE RAFT FAILED COMPLETELY DURING THE INITIAL 24 MONTH ROUNTINE INSP. THE CABLE IS MADE FROM INFERIOR NON-AVIATION GRADE MATERIALS AND THIS FAILURESDR YTRAN293CA4Float · bentTHE ACFT WAS IN FOR THE FIRST ROUTINE SCHEDULED 24 MONTH ACTIVATION/ INSP REQUIRED FOR THE OEM EMERGENCY FLOATATION KIT THAT IS INSTALLED IN CONJUNCTION WITH STC’D MID BAG WITH LIFE RAFT FLOAT KIT. THE STC’D FLOAT STEP KIT WAS INSTALLED 24 MONTHS AGO DUE TO TSDR CA100930008Case · rupturedHELICOPTER WAS LIFTING OFF STAGING AREA WITH 150FT LONGLINE AND APPROX 2600 LBS EXTERNAL LOAD. WHEN LOAD WAS APPROX 30FT OFF THE GROUND THE PILOT HEARD A LOUD "POP. NR1 ENG HAD FAILED. EXTERNAL LOAD WAS JETTISONED, A SINGLE ENGINE FAILURE EMERGENCY LANDING SDR CA100726011Actuator · failedACTUATOR ASSY SEIZED/FAILED TO MOVE OR FUNCTION.SDR CA100913001Engine · failedABORTED TAKEOFF, DURING TAKEOFF, A CONTINUOUS NOISE WAS NOTED AND THE TORQUE INDICATION OF ENGINE NR 1 WAS 4 PERCENT LESS THAN ENGINE NR 2. ENGINE NR 1 TEMP THEN FELL TO 600 DEGREE C AND A LOSS OF TORQUE OCCURRED. AN EMERGENCY LANDING WAS MADE AND THE ENGINESDR CA100505007Transmission · failedDURING FLIGHT, PILOT HAD TRANSMISSION CHIP LIGHT AND RETURNED TO HANGAR TO LAND, ON SHUTDOWN UNUSUAL NOISE WAS HEARD COMING FROM THE TRANSMISSION, CHIP PLUGS AND INTERNAL OIL FILTER WERE REMOVED AND INSPECTED, LARGE CHIPS WERE NOTED ON THE CENTER AND LOWER CHISDR CA090706009Tube · cracked(CAN) ON NR 1 ENGINE START UP THE PILOT NOTED A SLOW AND HUNG START AND WAS UNABLE TO SPOOL ENG TO 100 PERCENT, MX PRESSURE CHECKED PNEUMATIC SYS AND FOUND AIR LEAKING FROM A CRACKED PNEUMATIC TUBE NEAR FLARE AT P3 FILTER.SDR CA090603006Drive Shaft · damaged(CAN) COUPLING YELLOW TEMP PLATES FOUND TURNED BLACK, AIRFRAME AND DRIVESHAFT INSPECTED FOR CAUSE, NONE FOUND, DRIVESHAFT REMOVED AND INSPECTED, GREASE FOUND BURNED, DRIVESHAFT REPLACED, DRIVESHAFT SENT TO OVERHAUL FACILITY.SDR CA090511007Windshield · cracked(CAN) WINDSHIELD FOUND CRACKED DURING DAILY CHECK.SDR CA090511008Tee Fitting · cracked(CAN) CRACK FOUND IN THREADED AREA DURING FLUID LEAK INVESTIGATION.SDR CA090511009Seal · leaking(CAN) SEAL FOUND LEAKING DURING DAILY CHECK.SDR CA090408007O-Ring · pinched(CAN) DURING CLIMB, THE PILOT NOTED A FUEL SMELL AND THE WING-MAN REPORTED SMOKE. AN EMERGENCY DESCENT WAS INITIATED TO THE POINT OF ORIGIN, APPROX. 3 NM AWAY. AFTER LANDING, THE ENGINE WAS IMMEDIATELLY SHUTDOWN AS FUEL WAS LEAKING ON THE GROUND. GROUND INSP FSDR CA090316004Turbine Blades · separated(CAN) HELI SKIING AFTER PASSENGERS DEPLANED, THE PILOT WAS GIVEN THE OK TO DEPART, THE PILOT ROLLED UP THE THROTTLES AND HEARD A NOISE OFF THE NR POWER SECTION AND AN AIRFRAME VIBRATION. SHUTDOWN ENGINE AND VIBRATION AND NOISE WENT AWAY.SDR CA090127013Longeron · corrodedCORROSION OF LONGERON AND SPLICE UNDER SPLICE. FOUND WHILE PERFORMING INSPECTION REQUIRED FOR ASB212-90-63. CORROSION WAS VERY SEVERE WHEN SIGNS WERE VISIBLE BECAUSE CORROSION WAS BETWEEN LONGERON AND SPAR SPLICE FAYING SURFACES.SDR CA081008006Window Frame · cracked(CAN) 10 INCH CRACK FOUND AT UPPER LT CORNER OF WINDOW FRAME.SDR CA080930003Seal · leaking(CAN) DURING CRUISE, THE OIL PRESSURE STARTED TO FLUCTUATE FOLLOWED BY A DROP TO ZERO, WHICH WAS ACCOMPANIED BY A GEARBOX CHIP DETECTOR WARNING FOR NR 2 POWER SECTION. A SINGLE ENGINE LANDING WAS PERFORMED. TROUBLESHOOTING FOUND LITTLE OIL LEFT IN THE ENGINE SDR CA080917001Tube · cracked(CAN) FUEL FOUND LEAKING ONTO ENGINE DECK FROM AT BRAZE ON BOTTOM "B" NUT FITTING ON TUBE. TUBE LOCATED ON FORWARD FACE OF ENGINE ACCESSORY GEARBOX. ACFT WAS GROUNDED UNTIL PART WAS REPLACED.SDR CA080924012Engine · failed(CAN) ACFT WAS IN HOVER AND WAS TRANSITIONING TO FWD FLIGHT WHEN THE LT ENGINE ROLLED BACK IN POWER AND SHUTDOWN. PILOT LANDED THE ACFT SUCCESSFULLY ON 1 ENGINE. LT ENGINE WAS REMOVED AND SENT TO MFG FOR INVESTIGATION. MFG WILL CONTINUE INVESTIGATING THE EVSDR CA080923006Turbine Wheel · disintegrated(CAN) WHILE HOVERING DURING TAKEOFF, NR1 PWR SECTION LOST POWER (PILOT REPORTED HEARING LOUD BANG). ACFT PUT DOWN WITHOUT FURTHER INCIDENT, NR2 POWER SECTION SHUTDOWN. POWER SECTION REPLACED. ACFT RETURNED TO SERVICE. PRELIMINARY INSP REVEALED FAILURE OF TSDR HEEA119824O-Ring · leakingAT ABOUT 5 MINUTES FROM LANDING A STRONG FUEL SMELL ENTERED THE CABIN. NO ABNORMAL INDICATIONS. LANDED AT THE TRAUMA CENTER AND SHUT DOWN. FOUND SMALL PUDDLE OF FUEL ON GROUND. MECHANIC FOUND A LEAKY FUEL MANIFOLD ON NR 1 ENGINE AT THE NR 8 FUEL NOZZLE POSSDR CA080813011Blade · unknown(CAN) INSP OF T/R HUB AND BLADE ASSY REVEALED AN INTERFERENCE BETWEEN BOTH T/R BLADES AND T/R YOKE AT THE LEADING EDGE/ROOT. T/R BLADES REMOVED AND DRESSED OUT TO PROVIDE .010" CLEARANCE BETWEEN YOKE AND BLADES (IAW PSE). YOKE INSPECTED FOR DAMAGE, NONE FOUND.SDR EGRR119698Wire · brokenTHIS UNIT WAS SENT TO MAKE THIS INSTRUMENT NVG COMPATIBLE. WHEN THEY CHECKED OUT THE UNIT THEY FOUND THE FOLLOWING PROBLEM: THE RT POINTER IS INOP, DUE TO COIL WIRE BROKEN FROM METER. RT POINTER WILL NOT CALIBRATE DUE TO HAIRSPRING BEING DEFORMED. GAUGE WILL BSDR CA080813009Bellcrank · improper part(CAN) DURING T/R RIGGING CHECK, IT WAS NOTED THAT WHEN FULL LT PEDAL WAS APPLIED, THE COUNTERWEIGHT LINK TO COUNTER WEIGHT ARM HARDWARE WOULD CONTACT T/R CROSSHEAD ASSY. UPON INVESTIGATION THE WRONG P/N OF COUNTERWEIGHT BELLCRANK ASSY`S WERE INSTALLED FOR THE SDR CA080314014Crosstube · broken(CAN) HELICOPTER WORKING HELI-SKIING. THE PASSENGERS WERE LOADING INTO THE HELICOPTER. ALMOST ALL THE SEATS WERE OCCUPIED WHEN A SUDDEN SETTLING WITH A METALLIC NOISE ON THE REAR OF THE MACHINE OCCURRED. IT WAS NOTED THAT THE REAR CROSS TUBE WAS CRACKED ALL THSDR CA080314004Inertia Reel · binding(CAN) CO-PILOT SEAT SHOULDER HARNESS INERTIAL REEL CABLE FOUND BINDING AGAINST VERTICAL REFERENCE SEAT KIT - PLATE ASSY P/N AAL-292-031-001. FOUND TO BE COMMON PROBLEM WHEN CHECKED ON OTHER ACFT. WILL CONTACT MFG.SDR CA080221004Gearbox · mismanufactured(CAN) MAINT WAS TROUBLESHOOTING OIL PRESSURE PROBLEMS. THE POWER SECTION ALWAYS APPEARED THAT IT HAD LOTS OF OIL. VISUAL INDICATION. THE OIL PRESSURE FLUCTUATIONS OCCURRED FEB. 5TH. IN THE TROUBLESHOOTING PROCESS A LITTLE OIL WAS BEING DRAINED AND YET THE VISSDR CA080305015Engine · failed(CAN) DURING APPROACH, VIBRATION WAS NOTED BY THE CREW THROUGH THE FLIGHT CONTROLS. LANDING WAS ABORTED AND AC RETURNED TO BASE. NEARING BASE, VIBRATION LEVEL INCREASED ABD CREW DECLARED AN EMERGENCY. DURING LANDING FLARE, (2) LOUD NOISES WERE HEARD. POST FLIGSDR HEEA117034Transmitter · malfunctionedDURING CRUISE FLIGHT, NR 2 FUEL PRESSURE INDICATOR MAXED OUT AT 50 PSI INDICATED. MAINTENANCE REPLACED FUEL PRESSURE TRANSMITTER.SDR AOC0701Bearing · damagedDURING A PREFLIGHT INSPECTION OF THE SUBJECT AIRCRAFT, A PITCH CHANGE LINK BEARING (ATTACHED TO THE DRIVER END) APPEARED TO BE WORN. THE PILOT ATTEMPTED TO MOVE THE DRIVER TO CHECK FOR WEAR BUT THE BEARING, BOLT AND DRIVER WERE TIGHT. THE PILOT THEN OBSERVED TSDR CA070514062Turbine Blades · fractured(CAN) THE ENGINE CHIP DETECTOR WARNING ACTIVATED IN FLIGHT AND THE ENGINE SHUTDOWN UNCOMMANDED. SUBSEQUENT INSPECTION REVEALED FRACTURED POWER TURBINE BLADES. MFG WILL MONITOR INVESTIGATION AND ADVISE OF ROOT CAUSE ONCE DETERMINED (TC NR 20070514062)SDR CA070502011Turbine Wheel · damaged(CAN) IN FLIGHT SHUTDOWN OF NR 1 ENGINE. POWER TURBINE WHEEL SHED BLADES. DAMAGE FOUND ON MAIN ROTOR BLADES AND TAIL ROTOR BLADES. LARGE AMOUNTS OF METAL ON CHIP DETECTOR. (TC NR 20070502011)SDR CA070227015Gearbox · making metal(CAN) ENGINE NR 1 CHIP DETECTOR CAUTION LIGHT ILLUMINATED WHILE IN CRUISE FLIGHT AND PILOT RETURNED TO BASE. REDUCTION GEARBOX NR 1 SIDE CHIP DETECTOR FOUND WITH SMALL AMOUNT OF METAL. CHIP DETECTOR WAS CLEANED AND AIRCRAFT FLEW ANOTHER 2 HOURS BEFORE SECOND CSDR CA070226007Saddle · cracked(CAN) LT SKID SADDLE WAS FOUND CRACKED. (TC NR 20070226007)SDR HEEA111800Tube · leakingNR 1 HYDRAULIC PRESSURE WENT TO ZERO. MASTER CAUTION LIGHT, NR1 HYDRAULIC SEGMENT LIGHT ILLUMINATED. FOUND A PIN HOLE IN TUBE. REPLACED TUBE.
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