Pratt & Whitney JT9D-7A
Service difficulty reports · 593
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 = 'JT9D7A' 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 = 'JT9D7A' 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 P5CA0000102Flange · crackedENG NR 3 R AND S FLANGES RADIAL CRACKS. CRACK WELDED AND CK W FLOURESCENT LIGHT OK. REPAIRED PER MM 42-53-01..SDR 20000330SH017Blade · bentDURING WALKAROUND INSPECTION, SEVEN N1 FAN BLADES WERE FOUND BENT BEYOND LIMITS ON NR 1 ENGINE. AIRCRAFT WAS GROUNDED NAN. FAN BLADES WERE REPLACED AND TEST RUN CARRIED OUT BY EVERGREEN. (X)SDR EIA2000006Blade · damagedNFFN - DURING POST-FLIGHT WALK AROUND INSPECTION, FOUND NR 1 ENGINE WITH NUMEROUS DAMAGED FAN BLADES. FOUND BLADES 1, 25, 27, 31, 33, 11, 34, 13, 42, 22 DAMAGED OUT OF LIMITS. REPLACED A TOTAL OF 18 FAN BLADES PER WORKCARD F7208. RII ACCOMPLISHED. (M)SDR EIA990292Engine · stalledKCLT - NR 1 ENGINE EXPERIENCED COMPRESSOR STALL AT NORMAL CLIBM POWER THROUGH FL260. EGT OVER 1,000 FOR FIVE SECONDS. PRIOR TO STALL, ALL PARAMETERS NORMAL. ATTEMPTED ONE RESTART AND FOUND ENGINE DID NOT NORMALIZE, BUT WAS STABLE WITH HIGH EGT WITHIN LIMITSSDR 99UAL900477Oven · dirtyPER CREW SMOKE IN CABIN BETWEEN DR2 AND DR3 CABIN AREA. BURNT MEALS IN THE FORWARD LOWER LOBE GALLEY, OVEN NR 3 WERE THE SOURCE OF THE CABIN SMOKE.SDR EIA990190Engine · shut downVHHH - THE NR 1 ENGINE SHUT DOWN ON CLIMB-OUT. ENGINE WAS RESTARTED AND RUN AT PARTIAL POWER UNTIL EGT REACHED 750. ENGINE WAS SHUT DOWN AT THAT POINT FOR REMAINEDER OF FLIGHT. (M)SDR 9903126608Fuel Control · failedAT FL370, THE CREW REPORTED NR 4 ENGINE FLAMED OUT. THE ENGINE WAS SECURED PER THE COM, AND NO RESTART WAS ATTEMPTED. THE FLIGHT DIVERTED TO LAS AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE AND FOUND METAL DEBRIS IN THE ENGINE FUEL FILTER. SDR EIA990120Compressor · stalledORD - AT FL310 PROCEEDING TO KLAX NEAR HLA 1.3 HOURS AFTER DEPARTURE, NR 1 ENGINE EXPERIENCED COMPRESSOR STALL FOLLOWED BY FLAMEOUT. EGT WENT TO 960 CELCIUS FOR 4-5 SECS ENGINE SHUTDOWN. DESCENDED TO FL240 N1 AT 17 PERCENT, OIL PRESSURE AT 11 PSI. CONTACTEDSDR P5CA9900571Fuel Control · malfunctionedDURING DESCENT LEAVING FL350 APPROACHING FL330 FUEL HEAT WAS ON NR 3 ENGINE, WOULD NOT RESPOND BEYOND 65 PERCENT TO THROTTLE MOVEMENT. NO LOUD NOISES, NO EGT INCREASES. ENGINE WAS SHUTDOWN AND RESTARTED PER AOM. NO FUEL FLOW WITH START LEVER IN IDLE. PLACESDR 99UAL900275Battery Pack · dischargedEMERGENCY EXIT SIGNS INOP AT DOOR 1R. REPLACED BATTERY PACK, OPS OK.SDR 99UAL900194Pulley · dirtyAFTER ARRIVAL, NR 2 THROTTLE EXCESSIVELY STIFF. FOUND DEBRIS AT PULLEY TOP OF THE NR 2 PYLON. CLEANED DEBRIS AND OPS CHECKED OK.SDR EIAA990007Engine · stalledSUU - AT TOP OF DESCENT, NR 3 ENGINE HAD A NON-RECOVERABLE ENGINE STALL, OPERATION NORMAL AFTER SHUTDOWN AND RESTART. IDLE ADJUSTED 26 CLICKS. IDLE PARAMETERS NORMAL. (M)SDR 99UAL900174Structure · damagedFORWARD CARGO DOOR DAMAGED BY LOADER, STATION 629.98 FROM 0400 TO 0700 O'CLOCK POSITIONS AT LOWER PORTION OF DOOR. ALSO, THE THE SKIN AND BONDED DOUBLER WERE CREASED ALONG A SPAN FROM STATION 613 TO 635 FROM THE S-38R REFERENCE LINE DOWN NINE INCHES. CAUSE, CSDR P5CA9900152Engine · failedNR 1 ENGINE SHUT DOWN DUE TO STEADY STATE STALL AFTER DESCENDING FROM 370 TO 350. ATTEMPTED TO RESTART AT 350 AND 280, UNSUCCESSFUL. LAST START WAS AT 0050Z, WINDMILL TIME 1 HOUR AND 33 MIN. N1-30 PERCENT, N2-21 PERCENT, OIL PRESSURE 15 PSI, FL 280, IAS 295SDR 99UAL900034Wire · out of positionELECTRICAL ODORS (SMOKE) COMES AND GOES. *S/D* WIRE L639-20 WAS FOUND TO BE BINDING ON THE THROTTLE SEAL PLATE. THIS RESULTED IN A SHORT CIRCUIT. THE CONTROL STAND DIMMER UNIT CIRCUIT BREAKER WOULD NOT RESET. THE BURNED WIRE WAS REPLACED. ALSO, THE CONTRSDR 9810326601Engine · flamed outDURING CRUISE AT FL390, THE NR 4 ENGINE FLAMED OUT. THE AIRCRAFT DESCENDED TO FL330 AND THE ENGINE WAS RESTARTED PER COM. THE AIRCRAFT RETURNED TO MSP AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE PER FIM, WITH NO DISCREPANCIES NOTED. THE ESDR 98UAL900462Wire · failedCEILING EMERGENCY LIGHT INOP AT AFT LAV NR 118 AISLE. REPAIRED WIRE NR W1334-L4762-22 AT LIGHT ASSEMBLY, OP CK OK.SDR P5CA9801460Engine · failedAT FL 330 NR 4 ENGINE STALLED WITH AN AUDIBLE SOUND AND WENT TO A OVER TEMP OF 950Ý FOR 3-4 SECONDS. ENGINE WAS THEN SHUT DOWN, PER CHECK LIST. RELIGHT WAS ATTEMPED AT FL 240 BUT THE EGT WAS MUCH HIGHER AS ENGINE STARTED TO ACCELERATE. THE ENGINE WAS SHUT DSDR CKSA98516Engine · malfunctionedDURING ENGINE START, THE NR 1 ENGINE SMOKED. CLEARED AFTER A FEW MOMENTS, ALL INDICATIONS WERE NORMAL. DURING DESCENT AN OILY SMELL CAME THROUGH THE AIR CONDITIONING SYSTEM, WAS ABLE TO STOP THE SMELL BY CLOSING THE NR 1 ENGINE BLEED AIR VALVE. REMOVED AND SDR P5CA9801476Flange · crackedFOUND RADIAL OD LIGHTENING HOLE CRACK, R FLANGE AT 10:00 POSITION. WELD REPAIRED PER MM 72-53-01 REPAIR 22.SDR P5CA9801377Compressor · stalledON TAKEOFF ROLL, A LOUD BANG OCCURRED AT SPEED OF 80 KNOTS. RETURNED TO BLOCKS. VISUAL INSPECTION OF ALL ENGINE INTAKES, AND EXHAUST PER MM 72-00-00, FOUND NOTHING. CHECKED EXTERIOR OF A/C AND FOUND NOTHING ABNORMAL. AIRCRAFT DEPARTED ON TIME.SDR P5CA9801378Engine · failedDURING CLIMBOUT PASSING FL120, ACFT EXPERIENCED LOUD NOISE AND SHUDDER AND FLASH OF LIGHT FOLLOWED BY INCREASE IN NR 1 ENG EGT TO 960 DEGREES. ENGINE SHUT DOWN. DUMPED FUEL AND RETURNED TO SNN. REPLACED NR 1 ENGINE PER BMM 71-00-02 AND PAC M7100-002/M7111-0SDR P5CA9801432Fan Blades · brokenDURING TRANSIT CHECK AT DXB FOUND BIRD STRIKE DAMAGE TO NR 2 ENGINE. VARIOUS FAN BLADES BROKEN OFF AT TIPS AND BLADES ALSO BENT. TOTAL 8 BLADES DAMAGED. CARRIED OUT FOD (BIRD STRIKE) INSP PER MM 72-00-00. NO DAMAGE EVIDENT ADJACENT TO CORE, ONLY FAN BLADESSDR EIAA980236Seal · failedHNL - AFTER TAKEOFF, NR 3 ENGINE OIL QTY DECREASED TO .5 GALLONS, OIL PRESSURE FLUCTUATED 40-45 PSI. REDUCED POWER AND OIL PRESSURE DROPPED TO 35 PSI WITH ASSOCIATED OIL PRESSURE LIGHT. SHUTDOWN ENGINE NR 3, WINDMILLED FOR APPROXIMATELY 32 MINUTES, OIL PRESSSDR 98UAL900405Battery Pack · dischargedTHREE EMERGENCY EXIT SIGNS ABOVE AND AROUND DOOR 1 LEFT IS INOP. REPLACED BATTERY PACK, OP CK OK.SDR 99ZZZX558Bearing · spalledTHE ENGINE WAS REMOVED FROM SERVICE 367 HOURS/155 CYCLES SINCE HEAVY REPAIR DUE TO METAL BEING PICKED UP ON THE MAGNETIC CHIP DETECTOR (ANGLE GEARBOX). THIS METAL IDENTIFIED AS BEING BEARING CAGE MATERIAL. STRIP OF THE BEARING WAS FOUND WITH HEAVY WEAR IN ALSDR P5CA9801207Engine · flamed outNR 2 ENGINE FLAMED OUT FL350. ENG RESTART AT FL 290. RESTART NORMAL. PERFORMED FUEL CONTAMINATION CHECK PER MM 73-00-00 PG 201. VERIFIED FUEL REMAIN NR 2 TANK VIA STICK 17 AT 20.0, 10,962 LBS. SUMPED TANKS FOR EVIDENCE OF WATER, VERIFIED CONDITON MOTOR OPSDR 98UAL900344Connector · looseDURING TAKEOFF, NR 1 LT LEADING EDGE AMBER AND GREEN LIGHT FLICKERED, ALONG WITH INTERMITTENT WARNING HORN. ABORTED TAKEOFF AT 90 KTS. *S/D* THE INDICATION PROBLEM WAS CAUSED BY A LOOSE PIN (PIN 9) IN CONNECTOR DM876B FOR THE M876 PNEUMATIC DRIVE UNIT. THESDR EIAA980217Line · looseHNL - LOG PAGE: F40104 - DURING CLIMB-OUT, NR 4 ENGINE OIL QUANTITY SLOWLY DECREASED TO ZERO, ENGINE SHUT DOWN PER EIA PROCEDURES, ENGINE WINDMILLED AT APPROXIMATELY 20 PSI OIL PRESSURE FOR 35 MINUTES. SERVICED ENGINE OIL AND MOTORED, FOUND OIL DRAINING FROMSDR EIAA980218Engine · failedHNL - LOG PAGE: F40104 - DURING CLIMB-OUT APPROXIMATELY 20 MINUTES INTO FLIGHT, NR 4 ENGINE OIL QUANTITY SLOWLY DECREASED TO ZERO, ENGINE SHUT DOWN. PER EIA PROCEDURES, ENGINE WINDMILLED AT APPROXIMATELY 9 PSI OIL PRESSURE FOR 13 MINUTES, AND REDUCED TO 3 PSSDR 98UAL900313Indicator · damagedNR 1 AND 4 RESERVE FUEL QUANTITY INDICATORS DAMAGED, BURNT INDICATORS.SDR 98UAL900241Battery Pack · dischargedTHREE EMERGENCY EXIT SIGNS ARE INOP AT DOOR 4 RIGHT. FOUND BAD BATTERY PACK. REPLACED BATTERY PACK.SDR 98UAL900242Wire · brokenEMERGENCY EEL LIGHTS IN D-ZONE FROM SEATS 34 A, B, C TO 42 A, B, C ARE INOP. FOUND BROKEN WIRE. SPLICED IN NEW SECTION OF POWER CABLE.SDR 9809456603Boss · brokenAFTER TAKEOFF, THE OIL QUANTITY INDICATION FOR THE NR 1 ENGINE WENT TO ZERO AND OIL PRESSURE DROPPED. THE ENGINE WAS SHUT DOWN PER COM AND THE AIRCRAFT RETURNED TO NRT. MAINTENANCE INSPECTED THE ENGINE AND FOUND A BROKEN DIFFUSER CASE BOSS. REPLACED THE NR SDR UPS98426823Engine · damagedNR 2 ENGINE WOULD NOT MAKE TAKEOFF POWER. ABORTED TAKEOFF. FOUND LPT DAMAGED. REPLACED NR 2 ENGINE.SDR 98UAL900208Smoke Detector · malfunctionedFORWARD LOWER CARGO FIRE INDICATED IN FLIGHT. EXTINGUISHING AGENT FIRED INTO COMPARTMENT. *S/D* FOUND NO EVIDENCE OF FIRE IN FWD CARGO COMPT. BOTH SMOKE DETECTORS REPLACED FOR PRECAUTIONARY REASONS. SUBSEQUENT SHOP FINDINGS INDICATE ONE OF THE TWO DETECTORSDR P5CA9800795Case · crackedNR 1 ENGINE TURBINE EXHAUST CASE CRACKED, FLANGE AT 10 O'CLOCK POSITION. REPLACED CASE PER P AND W OVERHAUL MANUAL 72-00-00.SDR 9809346601Engine · flamed outWHILE AT CRUISE FL330 AND IN LIGHT TO MODERATE TURBULENCE, THE NR 2 ENGINE APPEARED TO ROLL BACK TO IDLE AND WOULD NOT RESPOND TO THRUST LEVER MOVEMENT. ENGINE FLAMEOUT PROCEDURES WERE FOLLOWED AND THE ENGINE WAS RESTARTED. AFTER RESTART THE ENGINE OPERATED SDR 98UAL900198Circuit Breaker · failedFIRE FROM NR 2 C/B INS. *S/D* C/B C787 FAILED INTERNALLY. REPLACED BREAKER.SDR P5CA9800774Transmitter · inoperativeNR 2 ENGINE WOULD NOT MAKE TAKEOFF THRUST. TEMP 912 DEGREES 1:08 EPR. ABORTED TAKEOFF. REMOVED AND REPLACED EPR TRANSMITTER REF MM 77-11-00. REMOVED AND REPLACED T7 LINE AS PRECAUTION REF MM 77-12-00. REQ OPS CHECK. OPS CHECK SATISFACTORY PER MM 77-00-00.SDR P5CA9800775Engine · malfunctionedON LANDING, NR 2 ENGINE OIL PRESSURE LIGHT CAME ON, EGT ROSE IMMEDIATELY. SHUT DOWN ENGINE. EGT WAS 938 DEGREES PER M/M 71-00-00 PAGE 216 AREA B OVER TEMPERATURE. ACCOMPLISHED VISUAL INSPECTION PER M/M 72-00-00, M/M 72-00-43 PAGE 115, 71-00-42, 71-00-46 ANDSDR 98UAL900176Tube · failed testDURING SHOP OVERHAUL OF SLIDE/RAFT IT FAILED THE AIR RETENTION TEST. FAILURE DUE TO A SEAM LEAK IN THE UPPER TUBE ON THE LOWER END CROSS OVERTUBE LOWER SEAM UNDER CHAFING PANEL. SLIDE/RAFT SENT TO VENDOR FOR REPAIR.SDR P5CA9800766Actuator · inoperativeNR 4 ENG FAILED IN CRUISE. TRIED TO RELIGHT 2 TIMES AT 2 DIFFERENT ALTITUDES AND WOULD NOT RELIGHT. REMOVED ENGINE FUEL CONDITION MOTOR ACTUATOR PER MM 76-11-04 PG 401 TO 404. GROUND CHECK OK STATICALLY. INSPECTED FUEL PUMP FILTER, NO CONTAMINATION FOUND. SDR P5CA9800765Engine · malfunctionedVIBRATION ON TAKEOFF. RETARDED AND ADVANCED NR 2 ENG THROTTLE. VIBRATION FOLLOWED THROTTLE MOVEMENT. A/C PACKS WERE OFF. REMOVED AND REPLACED NR 2 ENGINE PER MM 71-00-00. OPS CHECK, LEAK CHECK ALL NORMAL ON ENG RUN-UP PER MM 71-00-00.SDR P5CA9800927Bracket · brokenBROKEN BRACKET NR 1 ENGINE TOP SUPPORT TO PRECOOLER ASSY. REPLACED PER M/M 72-50-00.SDR 98UAL900160Power Cont Unit · failedDURING OPERATIONAL CHECK OF AILERON CONTROL SYSTEM, LT INBOARD AILERON POWER CONTROL PACKAGE STARTED GUSHING HYDRAULIC FLUID. UPON EXAMINATION OF PCP AFTER REMOVAL, FOUND INNER ACTUATOR ROD SHEARED AT FORWARD END. AIRCRAFT WAS IN UAL-OMB MAINTENANCE FACILITYSDR 9805836603Fuel Control · failedDURING FINAL APPROACH AT 4000 MSL, THE NR 1 ENGINE FLAMED OUT. ONE RAPID RESTART WAS ATTEMPTED BUT WAS UNSUCCESSFUL. THE APPROACH AND LANDING WAS COMPLETED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE INLET AND EXHAUST WITH NO TROUBLE FOUND. THE FUEL CONTROSDR 98UAL900127Lefdu · failedLEADING EDGE FLAP LIGHTS STAYED ON DURING FLIGHT UNTIL CREW WENT FROM POSITION ONE, TO FLAP POSITION FIVE. GREEN LIGHT THEN CAME ON AND STAYED ON THROUGH LANDING. *S/D* LEADING EDGE FLAP DRIVE UNIT AT POSITION NR 1 LT FAILED. REPLACED LEFDU AND AIRCRAFT RESDR 9804466603Engine · flamed outAFTER REACHING CRUISE AT FL350, THE NR 4 ENGINE FLAMED OUT. WHILE DESCENDING, THE CREW ATTEMPTED THREE RESTARTS OF THE NR 4 ENGINE WITH THE LAST ONE SUCCESSFUL AT FL250. ALL ENGINE PARAMETERS INDICATED NORMAL AFTER THE RESTART SO THE AIRCRAFT CLIMBED BACK TOSDR P5CA9800502Start Valve · malfunctionedON INITIATING DESCENT, NR 4 ENG START VALVE LIGHT ILLUMINATED STEADY. WHEN HIGH STAGE LIGHT WAS OUT, START VALVE LIGHT WOULD EXTINGUISH. VALVE LIGHT ON STEADY ACCOMPANIED BY HIGH STAGE LIGHT ON. ENG SHUT DOWN ACCOMPLISHED. INSPECTED ALL COMPONENTS, NO DAMA
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