Pratt & Whitney JT9D-20J

Service difficulty reports · 76

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 = 'JT9D20J'
  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.

SDR 9621731146Tr Light · illuminatedDURING TAKEOFF ROLLOUT, THE NR 3 THRUST REVERSER LIGHT ILLUMINATED AT 60 KNOTS. CREW ABORTED TAKEOFF AND WHILE TAXING, REALIZED THAT THE REVERSER WAS ON MEL FROM A PREVOUS INCIDENT. FLIGHT DEPARTED AND TO BOS WITHOUT FURTHER INCIDENT.Oct 10, 1996 · N146US · Doug DC1040 · Engine Thrust ReverserSDR 9621511161Compressor · stalledDURING APPLICATION OF POWER FOR TAKEOFF, THE NR 3 ENGINE EXPERIENCED COMPRESSOR STALL. CREW ABORTED THE TAKEOFF AS EGT CLIMBED TO 990 DEGREES WITHIN ONE SECOND. AIRCRAFT RETURNED TO THE GATE AND VISUAL INSPECTION REVEALED NO DISCREPANCIES. BORESCOPE INSPECTOct 8, 1996 · N161US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9621741146Rev Unlock Light · illuminatedDURING TAKEOFF ROLLOUT, THE NR 3 ENGINE REVERSER UNLOCK LIGHT ILLUMINATED. CREW ABORTED TAKEOFF AND RETURNED TO GATE. MAINTENANCE INSPECTED THE REVERSER AND DEFERRED REPAIR PER MEL 78-1A.Oct 8, 1996 · N146US · Doug DC1040 · Engine Thrust ReverserSDR 9619781153Fire Wire · chafedDURING INITIAL CLIMB, THE NR 3 ENGINE B-LOOP LIGHT ILLUMINATED. CREW FOLLOWED COM PROCEDURE AND CONTINUED FLIGHT AS SCHEDULED. ON FINAL APPROACH, THE NR 3 ENGINE FIRE WARNING INDICATION ILLUMINATED AGAIN. CREW SHUT THE ENGINE DOWN AND MADE A TWO ENGINE LANDSep 12, 1996 · N153US · Doug DC1040 · Fire DetectionSDR 9617151158Engine · overtempDURING LANDING ROLLOUT, THE NR 1 ENGINE EGT WENT ABOVE RED LIMIT LINE FOR ABOUT THREE SECONDS. THE ENGINE WAS THEN SHUTDOWN WHILE STILL IN REVERSE AND A/C TAXIED TO GATE WITHOUT FURTHER INCIDENT. PERFORMED ENGINE OVER TEMPERATURE INSPECTION AND NO DISCREPANCAug 7, 1996 · N158US · Doug DC1040 · Engine (Turbine/Turboprop)SDR 9614181150Unlock Light · illuminatedEN ROUTE DTW-MSP, THE NR 3 ENGINE REVERSER UNLOCK LIGHT ILLUMINATED. CREW FOLLOWED COM PROCEDURE, SHUT DOWN THE ENGINE, AND CONTINUED TO MSP WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED VIBRATION AND WINDMILLING CHECKS. REVERSER WAS ALSO CHECKED FOR STOW Jun 26, 1996 · N150US · Doug DC1040 · Engine Thrust ReverserSDR 9613111141Compressor · stalledAT TOP OF DESCENT, THE NR 2 ENGINE COMPRESSOR STALLED WHEN THROTTLE WAS RETARDED. AT THE TIME OF STALL, TEMPERATURE REACHED 750 DEGREES CELSIUS. FLIGHT CONTINUED TO LGW WITHOUT FURTHER INCIDENT. MAINTENANCE PERFORMED INSPECTION PER 71-00-00 AND NO DAMAGE WAJun 14, 1996 · N141US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9611401149Fail Light · illuminatedAFTER TAKEOFF POWER WAS APPLIED, THE NR 2 ENGINE FAIL LIGHT ILLUMINATED AT 48 PERCENT N1. CREW ABORTED TAKEOFF AND RETURNED TO THE GATE. INSPECTED THE NR 2 ENGINE FOR DISCREPANCIES AND NON WERE FOUND. AIRCRAFT RETURNED TO SERVICE, THE NR 2 ENGINE FAIL LIGHTMay 23, 1996 · N149US · Doug DC1040 · Central WarningSDR 9605781149Engine · fodDURING TAXIING, THE NR 3 ENGINE GENERATOR CAME OFF-LINE FOLLOWED BY HIGH EGT OF 840 DEGREES. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO THE GATE. GROUND CREW AND SEVERAL PASSENGERS NOTED WHAT APPEARED LIKE A PIECE OF PLASTIC BEING SUCKED INTO THE Mar 9, 1996 · N149US · Doug DC1040 · Engine (Turbine/Turboprop)SDR 9603121156Bleed Converter · malfunctionedAT TOP OF DESCENT, THE NR 3 ENGINE EXPERIENCED COMPRESSOR STALL. THE NR 3 ENGINE WAS SHUTDOWN AND RESTARTED. FLIGHT CONTINUED TO LGW WITHOUT FURTHER INCIDENT. REPLACED BLEED CONVERTER AND PS4 RESTRICTOR. PERFORMED ENGINE RUNUP AND ALL PARAMETERS WERE NORMAFeb 10, 1996 · N156US · Doug DC1040 · Compressor Bleed ControlSDR 9602271141Compressor · stalledDURING LANDING ROLL-OUT (CDG), THE NR 3 ENGINE EXPERIENCED A SLIGHT REVERSE STALL. CREW FOLLOWED COCKPIT OPERATING PROCEDURE BY SHUTTING THE ENGINE DOWN AND PROCEEDED WITH LANDING WITHOUT FURTHER INCIDENT. REPLACED THE NR 3 ENGINE AND CHECK WAS NORMAL.Jan 26, 1996 · N141US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9520251156Compressor · stalledDURING LANDING WHILE IN REVERSE THRUST, THE NR 1 AND NR 3 ENGINES COMPRESSOR STALLED WITH THE EGTS GOING TO 980 DEGREES FOR 5 SECONDS BEFORE THE ENGINES WERE SHUTDOWN. THE ENGNE WAS INSPECTED, BORESCOPED AND A GROUND RUNUP CONFIRMED PROPER OPERATION OF THE ENDec 13, 1995 · N156US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9519761158Pt2 Probe · crackedDURING START OF DESCENT, THE NR 2 ENGINE EGT WENT TO 1010 DEGREES FOR 90 SECONDS. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT CONTINUED TO AN UNEVENTFUL TWO-ENGINE LANDING AT MSP. THE PRBC AND EVC WERE REPLACED AND A PT2 PROBE WAS FOUND CRACKED AND REPLACED. Dec 2, 1995 · N158US · Doug DC1040 · Fuel Controlling SystemSDR 9519011146Compressor · stalledDURING CRUISE, THE NR 2 ENGINE EXPERIENCED A COMPRESSOR STALL WITH THE EGT GOING TO MAX FOR 30 SECONDS. THE ENGINE WAS SHUTDOWN AND THE AIRCRAFT RETURNED TO BOS WHERE AN UNEVENTFUL TWO ENGINE LANDING WAS ACCOMPLISHED. NO FUEL WAS DUMPED. THE AIRCRAFT WAS FENov 23, 1995 · N146US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9518271149Tr Unit · malfunctionedTHE NR 3 ENGINE REVERSER LIGHT ILLUMINATED AT 80 KNOTS AND THE TAKEOFF WAS ABORTED. THE REVERSER WAS LOCKED OUT AND PLACED ON MEL.Nov 16, 1995 · N149US · Doug DC1040 · Engine Thrust ReverserSDR 9515231148De-Oiler Shaft · failedDURING CRUISE, THE NR 3 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED, OIL QUANTITY WENT TO ZERO AND THE ENGINE WAS SHUTDOWN. THE AIRCRAFT DIVERTED TO BOS WHERE AN UNEVENTFUL TWO ENGINE LANDING WAS ACCOMPLISHED, NO FUEL WAS DUMPED. THE DE-OILER SHAFT WAS FOUND SOct 6, 1995 · N148US · Doug DC1040 · Turbine Engine Oil SystemSDR 9514191156Compressor · stalledTOP OF DESCENT, NR 3 ENGINE COMPRESSOR STALLED AND WAS SHUTDOWN. ENGINE WAS RESTARTED AND LANDED WITHOUT FURTHER INCIDENT. THE ENGINE WAS INSPECTED, BORESCOPED AND AN INFLIGHT BLEED CHECK IS SCHEDULED. THE PRBD, EVC REMOVAL AND PRECISION TRIM IS ON DEFERRALSep 11, 1995 · N156US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9513591156Tr Drive Cable · brokenDURING TAKEOFF, THE NR 2 ENGINE THRUST REVERSER UNLOCK LIGHT ILLUMINATED. THE TAKEOFF WAS ABORTED. REMOVED BROKEN DRIVE CABLE, INSTALLED LOCKOUT PLATES AND DEFERRED PER MEL 78-1A.Sep 3, 1995 · N156US · Doug DC1040 · Engine Thrust ReverserSDR 9508691144Engine · failedDURING CRUISE, THE NR 1 ENGINE OIL QUANTITY BEGAN TO DECREASE FOLLOWED BY DECREASE IN OIL PRESSURE. THE ENGINE WAS SHUT DOWN. APPROXIMATELY 85,000 POUNDS OF FUEL WAS DUMPED AND THE AIRCRAFT DIVERTED TO YUL WHERE AN UNEVENTFUL TWO ENGINE LANDING WAS MADE. THMay 28, 1995 · N144JC · Doug DC1040 · Engine (Turbine/Turboprop)SDR 9507371146Epr Indication · malfunctionedDURING TAKEOFF ROLL, THE NR 1 ENGINE EPR INDICATION FAILED AND THE TAKEOFF WAS ABORTED. THE EPR INDICATOR WAS REPLACED AND A GROUND RUNUP CONFIRMED PROPER SYSTEM OPERATION.May 4, 1995 · N146US · Doug DC1040 · Engine Pressure Ratio (EPR)SDR 9505141141Engine · malfunctionedDURING DESCENT FL280 AT IDLE POWER, THE NR 1 ENGINE ENCOUNTERED WAKE TURBULENCE AND A SURGE FOLLOWED BY RISING EGT. THE ENGINE WAS SHUTDOWN, AND A RELIGHT WAS SUCCESSFUL. OPERATION WAS NORMAL THE REMAINDER OF THE FLIGHT. THE ENGINE WAS INSPECTED AND A BORESMar 30, 1995 · N141US · Doug DC1040 · Engine (Turbine/Turboprop)SDR 9503221149Power Cables · malfunctionedDURING LANDING THE NR 2 ENGINE POWER LEVER COULD NOT BE RETARDED AND THE ENGINE WAS SHUT DOWN DURING ROLLOUT. THE THROTTLE BOOT WAS CLEANED, DRIED WITH ALCOHOL, AND THE OPERATION CHECKED OK. LATER AT MSP, THE LONG AND SHORT ENGINE PUSH/PULL CABLES WERE REPLAFeb 24, 1995 · N149US · Doug DC1040 · Power LeverSDR 9503211149Pwr Lever Cable · lack of lubeDURING LANDING (AMS), THE NR 2 ENGINE POWER LEVER COULD NOT BE RETARDED AND THE ENGINE WAS SHUT DOWN DURING ROLLOUT. THE POWER LEVER CABLE WAS CLEANED, LUBRICATED, AND OPERATION CHECKED OK.Feb 23, 1995 · N148US · Doug DC1040 · Power LeverSDR 9502751148Transmitter · failedDURING TAKEOFF, THE NR 1 ENGINE FAIL LIGHT ILLUMINATED AND THE TAKEOFF WAS ABORTED. REPLACED THE NR 1 ENGINE N1 TRANSMITTER.Feb 20, 1995 · N148US · Doug DC1040 · Engine RPM Indicating SystemSDR 9501151156Compressor · stalledDURING TAKEOFF (CDG), THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL AT 48 KNOTS AND THE TAKEOFF WAS ABORTED. THE ENGINE WAS INSPECTED AND A GROUND RUN-UP CONFIRMED PROPER ENGINE OPERATION. A BORESCOPE HAS BEEN SCHEDULED.Jan 19, 1995 · N156US · Doug DC1040 · Turbine Engine Compressor SectionSDR 9501121161Evc · malfunctionedDURING TAKEOFF ROLL (AMS), THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL WITH RISING EGT AND WAS SHUT DOWN. THE TAKEOFF WAS ABORTED. THE ENGINE WAS INSPECTED AND BOROSCOPED. THE EVC WAS REPLACED AND A PRECISION TRIM WAS ACCOMPLISHED. GROUND RUN-UP CONFIRMJan 17, 1995 · N161US · Doug DC1040 · Compressor Bleed Control
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