Pratt & Whitney JT9D-20
Service difficulty reports · 103
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 = 'JT9D20' 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 = 'JT9D20' 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 EIA2006239Fuel Control · malfunctionedAT TOP OF DESCENT NR 1 ENGINE WOULD NOT RESPOND TO THRUST LEVER INPUT ABOVE IDLE POSITION, SHUTDOWN USING IN-FLIGHT ENGINE FAILURE AND SHUTDOWN. COULD NOT DUPLICATE ON THE GROUND, ALL TROUBLESHOOTING SHOWED NO DEFECTS IAW 71-00-42. DID A PRECAUTIONARY, REMOVSDR EIA2006040Wire · brokenDURING CRUISE AT FL 310, NR 3 ENGINE SHUTDOWN DUE TO WING OVERHEAT INDICATION, UNABLE TO CLOSE PYLON VALVE NR 3. NACELLE SENSOR S1048 WITH BROKEN WIRES REPAIRED PER STD MAINT. PRACTICES. OPS CHK GOOD PER MM 26-18-00. PERFORMED ENGINE WINDMILL CHECK PER MM 7SDR 0101951153Transmitter · malfunctionedAT APPROXIMATELY 80 KTS ON TAKEOFF ROLL, THE NR 3 ENGINE FAIL LIGHT ILLUMINATED. THE CREW OBSERVED THE NR 3 N1 AND N2 INDICATIONS DECREASING AND ABORTED TAKEOFF AT 100 KTS. THE EPR INDICATION WAS REPORTED AS NORMAL. MAINTENANCE REPLACED THE N1 TRANSMITTER ASDR 20001214SH005Fitting · looseNWA MECHANIC NOTICED GAP BETWEEN THE AFT MOUNT SUPPORT FITTING AND THE AFT ENGINE MOUNT FITTING ON THE NR 3 ENGINE DURING ENGINE INSTALLATION. INSPECTION OF ALL DC-10-40 FLEET OF THE ENGINE MOUNTS AT THE NEXT ''A'' CHECK OR WITHIN 500 FLIGHT HOURS. (X)SDR 0000991152Engine · stalledDURING TAKEOFF ROLL AT 125 KTS, THE NR 2 ENGINE AUDIBLY AND VISIBLY COMPRESSOR STALLED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED THE ENGINE PER TAFI INCLUDING A BOROSCOPE INSPECTION WITH NO DEFECTS NOTED. AN ENGINSDR 0000791162Fcu · malfunctionedWHILE DESCENDING AT FL290, THE NR 2 ENGINE FLAMED OUT. THE ENGINE OUT CHECKLIST WAS COMPLETED AND THE ENGINE WAS RESTARTED. OPERATION FOR THE REMAINDER OF THE FLIGHT WAS NORMAL MAINTENANCE PERFORMED A BOROSCOPE INSPECTION WITH NO TROUBLE FOUND. THE FUEL CONSDR 0000231143Engine · malfunctionedAT 110 KTS ON TAKEOFF ROLL, THE CREW ABORTED TAKEOFF FOR LOW EPR INDICATION ON THE NR 2 ENGINE. THE EPR DID NOT EXCEED 1.2 WITH THE POWER LEVER NEAR THE MECHANICAL STOP. THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE DEFERRED THE NR 2 EPR INDICATION UNDER MSDR 9903141154Prbc Valve · malfunctionedUPON POWER REDUCTION AT FL330, THE NR 1 ENGINE COMPRESSOR STALLED AND THEN FLAMED OUT. THE ENGINE WAS SECURED, AND RESTARTED NORMALLY AT FL300. ENGINE OPERAITON WAS NORMAL FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED THE ENGINE PER TAFI WITH NO DESDR 9901971149Compressor · stalledAT 100 KTS DURING TAKEOFF ROLL, THE NR 1 ENGINE COMPRESSOR STALLED. THE CREW REPORTED A LOUD BANG AND OBSERVED FALLING N1 AND EGT OVERTEMPERATURE. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE INSPECTED THE ENGINE AND FOUND METASDR 9809551153Engine · failedDURING CLIMB-OUT, THE NR 2 ENGINE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED AND THE INDICATED OIL TEMPERATURE WAS INCREASING. THE ENGINE WAS SHUT DOWN. 50,000 LBS OF FUEL WAS DUMPED AND THE AIRCRAFT RETURNED TO LAX WITHOUT FURTHER DIFFICULTY. THE AIRCRAFT SDR 9809071157Compressor · stalledDURING TAKEOFF ROLL, THE NR 3 ENGINE COMPRESSOR STALLED WITH FLAMES REPORTED FROM THE TAILPIPE. THE TAKEOFF WAS ABORTED AT 25 KTS. THE EGT REACHED A MAXIMUM OF 800C AND THE ENGINE RECOVERED. MAINTENANCE INSPECTED THE ENGINE INCLUDING A BOROSCOPE WITH NO TROSDR 9808621162Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. THE EGT ROSE TO 880C BEFORE THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE PER TAFI STALL PROCEDURE WITH NO TROUBLE FOUND. RABS CHECK WAS NOT ACCOMPLISHED AND THSDR 9808211160Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. THE EGT REACHED 800C BEFORE THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE PER TAFI 71-00-00 WITH NO DEFECTS NOTED. THE THRUST REVERSER WAS PLACED ON MEL 78-1A USDR 9806981152Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 1 ENGINE COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN WITH THE EGT REACHING A MAXIMUM OF 940C. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS RETURNED TO SERVICE.SDR 9806901162Compressor · stalledDURING LANDING ROLLOUT WHILE COMING OUT OF REVERSE THRUST AT 80 KTS, THE NR 3 ENGINE COMPRESSOR STALLED. EGT PEAKED AT 1000C BEFORE THE ENGINE WAS SHUT DOWN AND THE COM COMPLIED WITH. MAINTENANCE INSPECTED THE ENGINE PER MAINTENANCE MANUAL INCLUDING A BORESCSDR 9806741154Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 1 ENGINE COMPRESSOR STALLED. EGT REACHED 930C BEFORE THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE PER MAINTENANCE MANUAL AND RAN ENGINE TO TAKEOFF POWER WITH NO DEFECTS NOTED. THE AIRCRAFTSDR 9806761155Compressor · stalledWHILE CLIMBING THRU 9500 FEET, THE NR 1 ENGINE COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN PER COM AND THE AIRCRAFT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE PER MAINTENANCE AND TAFI MANUALS INCLUDING A BORESCOPE WITH NO SDR 9806421143Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 1 ENGINE COMPRESSOR STALLED. THE EGT ROSE TO 980C FOR THREE SECONDS BEFORE THE ENGINE WAS SHUT DOWN. A BORESCOPE WAS PERFORMED WITH NO DEFECTS NOTED. THE AIRCRAFT WAS REMOVED FROM SERVICE AND FERRIED TOSDR 9806431143Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. THE EGT ROSE TO 980C FOR THREE SECONDS BEFORE THE ENGINE WAS SHUT DOWN. A BORESCOPE WAS PERFORMED WITH NO DEFECTS NOTED. THE AIRCRAFT WAS REMOVED FROM SERVICE AND FERRIED TOSDR 9806391155Compressor · stalledAT TOP OF DESCENT, THE NR 3 ENGINE COMPRESSOR STALLED WHEN THE POWER LEVER WAS RETARDED. THE ENGINE ROLLED BACK AND THE EGT BEGAN TO RISE. EGT CLIMBED TO 810C AND THE ENGINE WAS SHUT DOWN. THE COM PROCEDURE WAS FOLLOWED AND A SUCCESSFUL RESTART WAS ACCOMPLISDR 9805731154Compressor · stalledDURING THE LANDING ROLLOUT AT APPROXIMATELY 80 KNOTS WHILE IN REVERSE THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN AT APPROXIMATELY 40 KNOTS WITH THE EGT AT MAXIMUM FOR 10 SECONDS. THE ENGINE WAS BOROSCOPED WITH NO DEFECTS NOTED. THESDR 9804841143Engine · failedAPPROXIMATELY 30 MINUTES AFTER TAKEOFF, THE NR 1 ENGINE OIL CLOG LIGHT ILLUMINATED. THE CREW FOLLOWED COM PROCEDURE AND SHUT DOWN THE ENGINE. FUEL WAS DUMPED AND THE AIRCRAFT RETURNED TO MSP WITHOUT DIFFICULTY. MAINTENANCE INSPECTED THE ENGINE AND THE AIRCRSDR 9803401154Compressor · stalledAT TOP OF DESCENT FL330, THE NR 3 ENGINE COMPRESSOR STALLED. ENGINE ANTI-ICE AND FUEL HEAT WERE ON. THE EGT REACHED 870C BEFORE THE ENGINE WAS SHUT DOWN. THE ENGINE RESTARTED NORMALLY AND OPERATED WITHOUT FURTHER DIFFICULTY FOR THE REMAINDER OF THE FLIGHT. SDR 9803171157Tr Unit · malfunctionedDURING LANDING ROLLOUT, THE NR 3 ENGINE THRUST REVERSER DID NOT STOW AND THE ENGINE COMPRESSOR STALLED. THE EGT REACHED 1000C AND THE ENGNE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE AND DEFERRED THE REVERSER PER MEL 78-1A. THE REVERSER WAS STOWED AND SDR 9801951143Engine · malfunctionedDURING LANDING ROLLOUT AND WHILE IN REVERSE THRUST, THE NR 1 ENGINE EGT ROSE RAPIDLY TOWARD THE RED LINE LIMIT. THE ENGINE WAS SHUT DOWN BEFORE EXCEEDING ANY LIMITATIONS. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS NOTED.SDR 9801691152Compressor · stalledDURING LANDING ROLLOUT, THE NR 3 ENGINE COMPRESSOR STALLED. THE EGT REACHED 670C AND THE ENGINE WAS SHUT DOWN. THE CREW RESTARTED THE ENGINE WHILE TAXIING WITH ALL PARAMETERS NORMAL. MAINTENANCE PERFORMED A VISUAL INSPECTION OF THE ENGINE AND AN OPERATIONALSDR 9801101152Compressor · stalledAT TOP OF DESCENT WITH POWER REDUCTION, THE NR 1 ENGINE AUDIBLY COMPRESSOR STALLED. THERE WAS A SLIGHT VIBRATION AND RISING EGT. THE ENGINE WAS SHUT DOWN WITH A MAXIMUM EGT OF 690C. RESTART ATTEMPT WAS SUCCESSFUL AND THE ENGINE OPERATION WAS NORMAL FOR THE SDR 9801091145Engine · over tempDURING THE LANDING ROLLOUT WHILE COMING OUT OF REVERSE THRUST, THE NR 3 ENGINE REACHED AN EGT OF 940C FOR ONE SECOND. THE ENGINE WAS SHUT DOWN. MAINTENANCE PERFORMED AN OVERTEMP INSPECTION PER MM 72-00-00, PG 233 WITH NO DEFECTS. THE BORESCOPE WAS DEFERRED SDR 9800521155Compressor · stalledAFTER STARTING DESCENT FROM FL330, THE NR 2 ENGINE COMPRESSOR STALLED. POWER WAS REDUCED TO IDLE AND AFTER EGT REACHING 820C THE ENGINE RECOVERED. WHILE DESCENDING FROM FL290, THE NR 2 ENGINE STALLED AGAIN WITH MAX EGT OF 760. THE CREW FOLLOWED COM PROCEDURSDR 9800201155Compressor · stalledDURING DESCENT, THE NR 3 ENGINE COMPRESSOR STALLED AND EXPERIENCED A FLAME-OUT. MAXIMUM EGT REACHED WAS 830C. THE CREW FOLLOWED COM PROCEDURES AND RESTART WAS SUCCESSFUL. THE ENGINE OPERATED NORMALLY FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE INSPECTED TSDR 9724571150Epr Indication · inoperativeDURING TAKEOFF AT APPROXIMATELY 60 KTS, THE NR 1 ENGINE EPR INDICATION BECAME INOPERATIVE. ALL OTHER ENGINE INDICATIONS WERE NORMAL. THE TAKEOFF WAS ABORTED. THE NR 1 EPR INDICAITON WAS PLACED ON MEL 77-3 AND THE FLIGHT CONTINUED WITHOUT INCIDENT.SDR 9724451151Compressor · stalledAFTER TOUCHDOWN, WHILE IN REVERSE THRUST, THE NR 1 ENGINE COMPRESSOR STALLED. EGT ROSE TO 900C AND THE ENGINE WAS SHUTDOWN. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS FOUND. ENGINE RUN AND RAB'S SYSTEM CHECK WERE NORMAL.SDR 9723141143Compressor · stalledDURING THE APPLICATION OF TAKEOFF THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. MAX EGT WAS 880C AND THE TAKEOFF WAS ABORTED. MAINTENANCE INSPECTED THE ENGINE PER MM 71-00-00 WITH NO DEFECTS NOTED. THE BOROSCOPE WAS DEFERRED. SUBSEQUENT ENGINE RUN WAS NORMALSDR 9722961143Compressor · stalledWHILE DESCENDING THRU FL350 AND REDUCING POWER, THE NR 3 ENGINE COMPRESSOR STALLED. THE EGT ROSE RAPIDLY TO 700C AND THE ENGINE WAS SHUT DOWN. ALL OTHER ENGINE INDICATIONS WERE NORMAL AND A SUCCESSFUL RESTART WAS ACCOMPISHED. MAINTENANCE BORESCOPED THE ENGISDR EIAA970208Compressor · stalledHEC - AS POWER WAS REDUCED TO CRUISE AT FL 410 NR 3 ENGINE HAD A COMPRESSOR STALL, EGT 10 1040 C FOR FIVE SECONDS BEFORE SHUTDOWN. ENGINE INSPECTED IAW 71-00-45, BORESCOPED IAW 72-00-00. WINDMILLED INSPECTION IAW 72-00-00. TANDOM BLEED CHECK IAW 71-00-00, ESDR 9720781157Compressor · stalledDURING LANDING ROLLOUT WHILE COMING OUT OF REVERSER THRUST, THE NBR 1 ENGINE COMPRESSOR STALLED. THE EGT ROSE TO 850C AND THE ENGINE WAS SHUT DOWN. THE CREW STATED THERE WAS A TAIL CROSSWING DURING LANDING. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS NSDR 9720181150Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 2 ENGINE COMPRESSOR STALLED. THE EGT ROSE TO 950C AND THE ENGINE WAS SHUT DOWN. MAINTENANCE PERFORMED A BORESCOPE, CHECKED THE RABS OPERATION AND THE FUEL PUMP PRESSURE WITH ALL CHECKING NORMAL.SDR 9720191150Compressor · stalledDURING LANDING ROLLOUT WHILE IN REVERSE THRUST, THE NR 3 ENGINE COMPRESSOR STALLED. EGT ROSE TO 950C AND THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE INCLUDING A BORESCOPE AND FOUND NO DEFECTS. THE RABS SYSTEM AND FUEL PUMP CHECKED NORMAL.SDR 9719831141Fuel Control · malfunctionedWHILE DESCENDING THRU FL350, THE NR 3 ENGINE EGT ROSE TO 880C. THE ENGINE WAS SHUT DOWN. THE SECOND RESTART ATTEMPT WAS SUCCESSFUL WITH NORMAL OPERATION FOR THE REMAINDER OF THE FLIGHT. MAINTENANCE BORESCOPED THE ENGINE WITH NO DEFECTS NOTES. THE FUEL CONTSDR 9718781143Compressor · stalledAT TOP OF DESCENT FL280, THE NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL WITH EGT RISING TO 900C. THE ENGINE WAS SHUT DOWN AND TWO RESTART ATTEMPTS WERE UNSUCCESSFUL. MAINTENANCE INSPECTED THE ENGINE PER MM 71-00-00 FOR TOP OF DESCENT STALL WITH NO DEFECTS NSDR 9718791157Bleed Duct · damagedAT ROTATION, THE NR 1 ENGINE FIRE LIGHT ILLUMINATED FOLLOWED BY THE REVERSER UNLOCK LIGHT. WITH POWER REDUCED TO IDLE ON THE NR 1 ENGINE, THE FIRE LIGHT WENT OUT. FUEL WAS DUMPED AND THE AIRCRAFT RETURNED WITHOUT INCIDENT. MAINTENANCE FOUND AN ENGINE BLEED SDR 9717821154Engine · failedDURING CRUISE, THE NR 1 ENGINE EGT CLIMBED AT LEAST 100 CELSIUS ABOVE THE OTHER ENGINES. ALL OTHER INDICATIONS WERE NORMAL. THE FLIGHT DIVERTED TO MSP AS A PRECAUTION. THE ENGINE FAILED A BORESCOPE INSPECTION AND WAS REPLACED.SDR 9715651151Compressor · stalledON INITIAL POWER UP FOR TAKEOFF, THE NR 3 COMPRESSOR STALLED, MAX EGT WAS 600C AND EPR WAS 1.18. THE TAKEOFF WAS ABORTED AT 20 KNOTS. MAINTENANCE INSPECTED THE ENGINE PER MM 71-00-00 FOR A CONDITION 1 TYPE 'A' STALL WITH NO DEFECTS NOTED. THERE WAS A 90 DEGSDR 9715571161Engine · failedWHILE CLIMBING THRU 2000 FEET AFTER TAKEOFF, THE NBR 2 ENGINE EGT WENT OFF SCALE HIGH AND EPR DROPPED. ENGINE WAS SHUT DOWN AND 55,000 LBS OF FUEL WAS DUMPED. AIRCRAFT RETURNED TO DEPARTURE AIRPORT WITHOUT INCIDENT. MAINTENANCE INSPECTED ENGINE WITH NO DEFESDR 9713421157Compressor · stalledWHEN NR 2 ENGINE POWER ADVANCED TO 1.2 EPR AND STABLE FOR A CROSSBLEED START, THE NR 2 ENGINE COMPRESSOR STALLED. EGT WAS RISING THROUGH 680 CELSIUS WHEN THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED ENGINE PER MM 71-00-00 FOR STALL WITH NO DEFECTS NOTED. SDR 9711981157Egt Indication · risingON LANDING ROLLOUT WHILE COMING OUT OF REVERSE THRUST, THE NR 3 ENGINE EGT STARTED RISING RAPIDLY. THE ENGINE WAS SHUT DOWN WITH A MAX EGT OF 650C. MAINTENANCE CHECKED REVERSER OPERATION PER MM 78-30-00, WITH NO DEFECTS NOTED. EGT WAS WITHIN LIMITS PER MM 7SDR 9710681152Prbc · failedDURING DESCENT, THE NR 2 ENGINE COMPRESSOR STALLED WITH RISING EGT. ENGINE WAS SHUT DOWN AT MAX EGT OF 650C. NR 2 ENGINE RESTART AND SUBSEQUENT OPERATION WERE NORMAL. MAINTENANCE REPLACED THE PRBC AND RAN ENGINE TO TAKEOFF POWER. ALL PARAMETERS WERE NORMALSDR 9710211143Engine · malfunctionedNR 1 ENGINE EGT ROSE RAPIDLY AFTER THE REVERSER WAS STOWED. ENGINE WAS SHUTDOWN, EGT PEAKED AT 780 CELSIUS. MAINTENANCE RAN NR 1 ENGINE, OPERATED REVERSER AND ALL INDICATIONS WERE NORMAL.SDR 9709631155Tr Unit · malfunctionedWHEN POWER PUSHED UP TO TAKEOFF LEVEL, THE NR 3 ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE DEFERRED NR 3 THRUST REVERSER PER MEL 78-1A. SPECIFIC PART CAUSING PROBLEM TO BE DETERMINED.SDR 9707731154Bleed Solenoid · malfunctionedAFTER LANDING, WHILE COMING OUT OF REVERSE THRUST, NR 2 ENGINE EGT ROSE RAPIDLY. NR 2 ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED ENGINE PER MM 72-00-00, PG 227 AND REPLACED BLEED OVERRIDE SOLENOID. THE NR 2 ENGINE WAS GROUND RUN AND CHECKED OK.
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