Pratt & Whitney JT9D-7R4D
Service difficulty reports · 1,031
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 = 'JT9D7R4D' 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 = 'JT9D7R4D' 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 2003UALA00006Skin · bulgedLOWER EXTERNAL FUSELAGE SKIN BULGING STATION 720 STRINGER 38R. MAJOR REPAIR ACCOMPLISHED. DOUBLER REPAIR INSTALLED.SDR 2002UALA01864Seal · leakingLEFT BLEED DUCT LEAK EICAS MESSAGE. RETURNED TO FIELD. SUPPLEMENTAL DATA UPDATE LEFT ENGINE ANTI-ICE VALVE SEAL (S) LEAKING AT CLAMP. SEALS REPLACED, NO OTHER ACTION REQUIRED,SDR 2002UALA01854Compressor · stalledNR 2 ENGINE COMPRESSOR STALL, UNSUCCESSFUL RESTART. VANES WOULD NOT TRACK. EVBC REPLACED. DISASSEMBLY OF EVBC SHOWED EVACUATED BELLOW DEFECTIVE.SDR 2002UALA01842Fuel Control · failedLOSS OF POWER TO NR 2 ENGINE. ENGINE RESTARTED. ENGINE WOULD NOT GO ABOVE IDLE. FCU CHANGED. BENCH CHECK SHOWED ACCEL & DECEL SCHEDULE UNDER LOW LIMITS, PROBABLE CAUSE OF POWER LOSS AT ALT 41K.SDR 2002UALA01791Fitting · looseRIGHT GENERATOR DRIVE LIGHT AND EICAS MSG DISPLAYED WHEN POWER SET ON TAKEOFF. ABORTED TAKEOFF AT 65 KTS. LOOSE OIL LINE FITTING IN IDG EXTERNAL OIL CIRCUIT CAUSED LOSS OF OIL RESULTING ILLUMINATION OF IDG DRIVE LIGHT DUE TO LOW OIL PRESS. OIL LINE TIGHTENESDR 2002UALA01784Warning System · malfunctionedRIGHT ENGINE BLEED LIGHT ILLUMINATED AND EICAS MSG. ABORTED TAKEOFF AT 110 KNOTS. ACCOMPLISHED BITE OF RIGHT PNEU SYSTEM, NO FAULTS FOUND. NO MAINTENANCE ACTION TAKEN, AND NO SUBSEQUENT PROBLEMS IN RIGHT PNEUMATIC SYSTEM HAVE BEEN REPORTED.SDR CA021213002Actuator · malfunctioned(CAN) ENGINE INDICATION AND CREW ALERT SYSTEM MESSAGE APPEARED, AILERON LOCKOUT' CAPTION CAME ON DURING APPROACH. FAULTED LEFT ACTUATOR, ACTUATOR REPLACEDSDR CA021209003Bearing · cracked(CAN) THE ENGINE WAS A SPARE AND PULLED FOR INSPECTION DUE TO A SUSPECTED BEARING INSTALLED. FURTHER INVESTIGATION REVEALED ROOT CAUSE . NR 3 BEARING CRACKED AT ROLLER RETAINER CAGE., BEARING PART NR 810641,S/N 00324.SDR 2002UALA01635Engine · failedCOMPRESSOR STALL NR 2 ENGINE AT 2,500 FEET. ENGINE SHUTDOWN, RETURNED TO FIELD. SUPPLEMENTAL DATA UPDATE POST FLIGHT EXAM SHOWED N2 SYSTEM FROZEN. CHIP DETECTORS FULL . ENGINE WAS LEASED FROM AIR CANADA, 97 HRS OUT OF A FULL OVERHAUL. ENGINE RETURNED TO LSDR 2002UALA01637Oil Filter · failedNR 2 ENGINE OIL FILTER MESSAGE DISPLAYED. MESSAGE REMAINED WHEN THRUST REDUCED. ALL OTHER ENGINE PARAMETERS NORMAL. SUPPLEMENTAL DATA UPDATE ENGINE LEASED FROM AIR CANADA. OIL FILTERS AND CHIP DETECTORS CHECKED OK.OIL FILTER DIFFERENTIAL SWITCH CHECKED OKSDR 2002UALA01639Valve · failedUNABLE TO PRESSURIZE THE CABIN. FLIGHT RETURNED TO FIELD. THIS AIRCRAFT HAD A SIMILAR PROBLEM ON 10/24/02. THE GROUND EQUIPMENT COOLING EXHAUST VALVE FAILED OPEN. THE VALVE WAS FOUND TO HAVE WORN BEARINGS AND INTERNAL PARTS CAUSING INTERMITTENT OPERATION.SDR 2002UALA01630Flap · crackedLEFT WING INBOARD TRAILING EDGE FLAP, MID SUPPORT CRACKEDAT OUTBOARD FLANGE. MAJOR REPAIR ACCOMPLISHED. REPAIRED AFT FLAP TO MID FLAP SUPPORT HINGE.SDR CA021108002Heater · burned(CAN) WHILE TROUBLE SHOOTING SEVERAL SNAGS REGARDING PROBLEMS FOR 'NO WATER IN FORWARD GALLEY HALF WAY THROUGH FLIGHT' WATER LINE RIBBON HEATER FOR WATER LINE ABOVE NOSE WHEEL WELL FOUND BURNED AND BADLY DAMAGED.SDR 2002UALA01629Pump · fluctuatesFROM TAKE OFF TO ABOUT 6000 FT AT REDUCED CLIMB THRUST, NR 1 ENGINE FLUCTUATED ABOUT 4 PERCENT (N1). STABILIZED AFTER THAT. SUPPLEMENTAL DATA UPDATE FUEL CONTROL AND FUEL PUMP REPLACED PER MM. ENGINE RUN, CHECKED OK. FP AND FCU ROUTED TO OSV.SDR 2002UALA01628Valve · malfunctionedUNABLE TO CONTROL CABIN ALTITUDE. CABIN AT 9400 FT, AIRCRAFT AT 11000 FT. THE SAME IN AUTO 1 AND AUTO 2. IN MANUAL, CABIN ALTITUDE INCREASED BY 200 FPM. RETURNED TO FIELD. THE LEFT AND RIGHT OUTFLOW VALVES ACTUATORS AND THE CABIN PRESSURIZATION ALTIMETERSDR 2002UALA01618Web · mislocatedRIGHT HAND WHEEL WELL UPPER PRESSURE WEB HAS A MISLOCATED DRAIN HOLE FROM PREVIOUS INSTALLATION. SUPPLEMENTAL DATA UPDATE MAJOR REPAIR ACCOMPLISHED.REPAIRED WEBSDR 2002UALA01617Engine · bird strikeBIRD STRIKE TO RIGHT ENGINE. RETURNED TO FIELD. THE BIRD STRIKE CAUSED THE FAILURE OF A FAN BLADE. THE TIP OF THE FAN BLADE LIBERATED INBOARD OF THE MIDSPAN SHROUD, WHICH CAUSED ABNORMAL VIBRATION AND OVERTEMP. THE ENGINE WAS SHUT DOWN AND RETURNED TO FIELSDR 2002UALA01554Doubler · damagedEXTERNAL FUSELAGE, LEFT HAND SIDE SKIN DOUBLER HAS POPPED RIVET AND BULGED SKIN AT BODY STATION 742-744, STRINGER 38L. MAJOR REPAIR ACCOMPLISHED. INSTALLED DOUBLER AND FILLER.SDR 2002UALA01555Flap · crackedRIGHT WING INBOARD FLAP HINGE FITTING FLANGE IS CRACKED. SUPPLEMENTAL DATA UPDATE MAJOR REPAIR ACCOMPLISHED. REPAIRED HINGE.SDR CA021209006Bearing · failed(CAN) ON MAINTENANCE CHECK, METAL FOUND IN FILTER, ENGINE TESTED AND ENGINE FAILED DUE TO OIL BYPASS LIGHT ON AND LOW OIL PRESSURE FAILURE OF NR 3 BEARING, SAME REPAIR STATION OVERHAULED THIS BEARING.SDR CA021209008Bearing · failed(CAN) FOUND METAL IN OIL FILTER, AFTER INVESTIGATION FOUND TO NR 3 BEARING FAILURE.SDR 2002UALA01493Stringer · crackedAFT CARGO PIT AT BODY STATION 1080-1087, STRINGER 33L IS CRACKED. MAJOR REPAIR ACCOMPLISHED. REPAIRED STRINGER.SDR 2002UALA01489Blade · failedLEFT ENGINE COMPRESSOR STALL. SINGLE STG 8 HPC BLADE FAILED .75 INCH FROM BLADE TIP. FATIGUE FAILURE ORIGINATING FROM SMALL FOD/DOD NICK AT LE. MINOR TIP DMG TO REMAINDER OF STG 8. NO OTHER DMG STG 7,8 & 9 HPC BLADES ARE INSTALLED NEW AT EACH HPC DEBLADESDR CA020918007Clutch · malfunctioned(CAN) BOTH THRUST LEVERS APPEARED TO STICK (AS IF THEY WERE IN A DETENT) AT FLIGHT IDLE AT TOP OF DECENT. THEY WERE VERY STIFF TO MOVE FORWARD FROM THAT POSITION. STICKING WAS ACCOMPANIED BY AN AUTO THROTTLE DISCONNECT. THROTTLE CLUTCH ASSY REPLACED AND OPERASDR 2002UALA01451Battery Pack · intermittentEXIT PATH LIGHTING FLICKERING OFF AND ON. REPLACED BATTERY PACK.SDR CA020916008Oven · odor(CAN) FLT ATT REPORTED A BURNING SMELL IN THE REAR GALLEY NR 3 OVEN FOUND AT FAULT. CB PULLED AND COLLARED. NR 3 OVEN REPLACED PER MM AND OPERATION CHECKED SERVICEABLE.SDR 2002UALA01419Wire Harness · faultyONE EEL LIGHT INOP ON RIGHT SIDE OF SEAT 1F. ALSO, DOOR 1R LOWER EXIT LIGHT INOP. MAJOR REPAIR ACCOMPLISHED. REPLACED POWER LEAD CABLE, END CAPS, AND COVER.SDR CA020830005Light · miswired(CAN) FIRST OFFICERS UTILITY LIGHT FOUND MISWIRED AT TERMINAL BLOCK. PROBLEM WAS FOUND WHILE CARRYING OUT ROUTINE MAINTENANCE AND BULB SOCKET CAME IN CONTACT WITH GROUND PRODUCING LOTS OF SPARKS. FLEET CAMPAIGN ISSUED AND TERMINAL BLOCK WIRED CORRECTLY.SDR CA020830007Light · miswired(CAN) SECOND OBSERVERS UTILITY LIGHT FOUND MISWIRED AT TERMINAL BLOCK. THIS WAS A FINDING RESULTING FROM A FLEET CAMPAIGN TO CHECK FOR SIMILAR PROBLEMS ON OTHER AIRCRAFT. LIGHT SOCKET PRODUCED SPARKS IF INADVERTENTLY TOUCHED BY A GROUNDING OBJECT. TERMINAL SDR CA020830009Light · miswired(CAN) FIRST OFFICERS UTILITY LIGHT MISWIRED AT TERMINAL BLOCK. THIS FINDING WAS RESULT OF A FLEET CAMPAIGN TO CHECK FOR SIMILAR PROBLEMS FOUND ON OTHER AIRCRAFT. LIGHT SOCKET PRODUCES SPARKS IF INADVERTENTLY TOUCHED BY A GROUNDING OBJECT. TERMINAL BLOCK CORSDR CA020830018Sequence Valve · failed(CAN) FLIGHT RETURN TO TORONTO WITH GEAR WARNING WHEN GEAR LEVER SEL TO NEUTRAL AFTER RETRACTION, GEAR CYCLED & THEN RT GEAR LIGHTS REMAINED ON. ALT GEAR EXTENSION CARRIED OUT. REPLACED DOOR SEQUENCE VALVE AT POSITION NR 1.SDR 2002UALA01351Battery Pack · disconnectedNUMBER 1 SPOILER SQUIB AND NUMBER 2 ESCAPE SLIDE WILL NOT TEST. FOUND EMERGENCY ESCAPE BATTERY PACK ON RIGHT SIDE M962 DISCONNECTED. THE CONNECTOR WAS RECONNECTED AND THE SYSTEM OPERATED OK.SDR 2002UALA01332Engine · bird ingestionAT TAKEOFF COMPRESSOR STALL ON NR 1 ENGINE. BIRD STRIKE CONFIRMED. COMPRESSOR BORESCOPED PER MM. NO DAMAGE. ENGINE CONTINUED IN SERVICE.SDR 2002UALA01300Bearing · failedRIGHT ENGINE OIL FILTER MESSAGE DISPLAYED. RIGHT ENGINE SHUTDOWN BEFORE LANDING. FAILURE OF THE NUMBER THREE BEARING. ENGINE WAS 85 HOURS TSO. FAILURE BEING INVESTIGATED BY ENGINE OVERHAUL OSV AND BEARING OSV.SDR 2002UALA01288Valve · failedMID CABIN LAV TOILET OVERFLOWED, WATER SHUTOFF. RINSE VALVE ON TOILET ASSY FAILED IN THE OPEN POSITION. REPLACED TOILET ASSEMBLY.SDR 2002UALA01287Blade · failedRIGHT ENGINE COMPRESSOR STALL - HIGH EGT ON CLIMB OUT. SEVENTH STAGE COMPRESSOR BLADE FAILURE. ON TEARDOWN, FIVE EACH BLADES WERE COMPLETELY MISSING FROM THE DISK.SDR CA020807003Seal · leaking(CAN) ON DESCENT ODOR OF SMOKE VERY STRONG. SMOKE ALARM SOUNDED IN FRONT AND BACK OF AIRCRAFT. ODOR PERSISTED FOR APPROX 10 MINUTES. QRH DRILL CARRIED OUT. ALL PARAMETERS NORMAL. SMOKE ODOR APPEARS TO COME FROM AIR CONDITIONING. OIL FOUND IN THE NR 1 ENSDR CA020806007Seal · failed(CAN) THIS ENGINE WAS REMOVED DUE TO HIGH OIL CONSUMPTION, REFURBISHED AND WITH BELOW 2000 HRS ON WING . BEARING SEALS FAILED. SEALS HAD JAMMED IN THEIR HOUSINGS IN REARWARD POSITION RENDERING THEM USELESS.SDR CA021209004Bearing · failed(CAN) IN FLIGHT DIVERTION, DUE TO OIL BY-PASS WARNING LIGHT AND LOW PRESSURE. EVIDENCE OF METAL FOUND GROUND RUN DONE, ENGINE FAILED.SDR CA020807001Warning System · activated(CAN) REJECTED TAKE OFF RTO. AT 145 KTS. DUE CONFIGURATION WARNING.SDR 2002UALA00959Battery · dischargedEMERGENCY FLOOR LIGHTS STAYED ON SEATS 16-32 LT SIDE. REPLACED BATTERY PACKS AND OVERHEAD PANEL ON-OFF-ARMED SWITCH.SDR CA020725012Brace · sheared(CAN) AFTER TAKE OFF. LT MLG WOULD NOT RETRACT, EICAS GEAR DISAGREE DOOR LIGHT AND GEAR LIGHT ON. AIRCRAFT RETURNED TO AIRPORT. FOUND LT BEAR SIDE BRACE LOCK ACTUATOR PISTON SHAFT SHEARED. REPLACED ACTUATOR AND SYSTEM CHECKED NORMALSDR 2002UALA00924Skin · corrodedAFT EXTERNAL FUSELAGE, AFT WATER DRAIN MAST, CORROSION AROUND BASE, BODY STATION 1417, STRINGER 35R. MAJOR REPAIR ACCOMPLISHED. REPAIRED SKIN WITH EXTERNAL DOUBLER.SDR 2002UALA00929Fitting · crackedRIGHT HAND WING FRONT SPAR OUTBOARD PITCHLOAD FITTING CRACKED AT THE FORWARD UPPER RADIUS ABOVE FITTING LUG, CRACK FOUND AND CONFIRMED. MAJOR REPAIR ACCOMPLISHED. REPLACED OUTBOARD PITCHLOAD FITTING.SDR 2002UALA00857Fan · failedELECTRIC SMELL THROUGHOUT CABIN. FOUND LEFT RECIRC FAN MAKING LOUD GRINDING NOISE, CYCLED SWITCH FAN FAILED TO TURN ON. CABIN FILLED WITH SMOKE. REPLACED LEFT RECIRC FAN PER SMC 09-MM 21-25-01. FAN WAS REPLACED. NO FURTHER EVENTS OF SMOKE OCCURRED. RECISDR 2002UALA00764Pressure Switch · defectiveLEFT ENGINE OIL FILTER EICAS CAUTION ILLUMINATED ON CLIMBOUT. REPLACED ENGINE MAIN OIL PRESS DIFFERENTIAL SWITCH PER MM.SDR 2002UALA00763Pcu · malfunctionedIN CRUISE THE RUDDER TRIM FROZE. ATTEMPTS TO TROUBLESHOOT WITH THE CAPTAIN WERE UNSUCCESSFUL. DIVERTED TO ORD. NO EMERGENCY DECLARED. REPLACED CENTER PCU, REPLACED RUDDER TRIM MODULE AND RUDDER TRIM POSITION INDICATOR, REPLACED RUDDER TRIM ACTUATOR. REPAISDR CA020502016Actuator · failed(CAN) AILERON LOCKOUT MESSAGE ON EICAS. REPLACED LEFT OUTBOARD LOCKOUT ACTUATOR.SDR CA020502019Module · failed(CAN) REJECTED TAKEOFF AT 120 KNOTS DUE TO CONFIGURATION WARNING (FIRE WARNING BELL). NO OTHER INDICATIONS OF ANY FAULTS, FOUND TO BE THE AURAL WARNING BELL/CHIME MODULE AT FAULT. REPLACED THE AURAL WARNING BELL/CHIME MODULE.SDR 2002UALA00521Cover · out of positionLEFT WING EMERGENCY SLIDE DEPLOYED. THE AMT INVESTIGATED A VERBAL REPORT FROM THE INBOUND CREW THAT THE PLASTIC COVER HAD FALLEN OFF THE LEFT OVERWING DOOR RELEASE HANDLE. IT WAS DETERMINED THAT THE HANDLE GRIP WAS ROTATED 90 DEGREES FROM ITS CORRECT POSITIO
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