Pratt & Whitney JT9D-7F

Service difficulty reports · 129

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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 = 'JT9D7F'
  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 EIAA2011007Engine · stalledON LANDING NR 2 ENGINE N1 WENT TO 75 PERCENT FOLLOWED BY COMPRESSER STALL DURING REVERSE, FOLLOWED BY FIRE WARNING LIGHTS. LEFT AND RIGHT FIRE BOTTELS USED TO EXTINGUSH FIRE. EIDS RECORDED EXCEEDANCE OF 1300 FOR 353 SEC. REMOVED AND REPLACED NUMBER 2 ENGINEJan 21, 2011 · N485EV · Boeing 747212B · Engine (Turbine/Turboprop)SDR EIA2008019Engine · failedNUMBER 3 ENGINE FAILED AT 35,000 FEET DESCENT TO FL 32.0 NORMAL INFLIGHT RESTART ALL ENGINE PARAMETERS WERE NORMAL. PERFORMED ENG WINDMILL INSPECTION PER B747MM 72-00-00 CONFIG 1 PAGE 684(O), NO DEFECTS NOTED. PERFORMED ENGINE IDLE GROUND RUN PER B747 MM 71-Apr 23, 2008 · N481EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR KCSA071372Frame · crackedB S 520 FUSELAGE FRAME CRACKED AT STR-11L CUTOUT.Sep 13, 2007 · N713CK · Boeing 7472B4B · Fuselage Main, FrameSDR KCSA071266Bulkhead · scratchedNR1 PYLON STA-221, AFT BULKHEAD HAS SCRATCH ABOVE HYDRULIC LINE FEED THROUGH.Jul 30, 2007 · N710CK · Boeing 7472B4B · Nacelle/Pylon, Bulkhead/FirewallSDR KCSA071267Stringer · damagedBS 668 STRINGER 44L HAS SMALL DAMAGED AREA.Jul 30, 2007 · N710CK · Boeing 7472B4B · Fuselage Main, Longeron/StringerSDR KCSA071268Seat Track · damagedSTA-1250 LBL-99 SEAT TRACK HAS DAMAGE TO CARGO SYSTEM LOCKING HOLES.Jul 30, 2007 · N710CK · Boeing 7472B4B · Fuselage, Seat/Cargo Attach FittingsSDR EIA2006223Sensor · malfunctionedDURING DESCENT INTO EDF, FL90, FLIGHT CREW REPORTED FEELING RUMBLE IN AIRFRAME. FLIGHT CREW NOTICE NR 4 ENGINE INDICATED N1 & N2 WERE LOWER THAN OTHER ENGINES. ENGINE WOULD NOT RESPOND TO THROTTLE MOVEMENT, ENGINE SHUTDOWN. PERFORMED EXTERNAL INSPECTION, ENAug 22, 2006 · N477EV · Boeing 747SR46 · Engine Temperature Indicating SystemSDR EIA200677Clutch · malfunctionedALL FOUR ENGINE THROTTLE LEVERS WILL NOT GO INTO REVERSE. CLUTCH PACK REMOVED AT 0300Z/17. CONFIRMED CLUTCH PACK FAULTY. T/R LEVERS SEIZED WITH CLUTCH PACK ISOLATED. CLUTCH PACK ON HAND. EST COMPLETION AT 0400 - 0600Z/18.May 16, 2006 · N485EV · Boeing 747212B · Engine Thrust ReverserSDR KCSA06039Engine · malfunctionedNR 3 ENG FLAMED OUT ON DESCENT, PERFORMED RAPID RESTART PROCEDURE TWICE NO START. PERFORMED ENG RESTART CHECKLIST AT 10,000 ENG OPERATED NORMALLY. PERFORMED INSPECTION PER FIM 71-01-00 PG 209, FOUND NO DEFECTS. PERFORMED ENG NR 3 RUN PER 71-00-00 B747 MM PGMay 12, 2006 · N710CK · Boeing 7472B4B · Engine (Turbine/Turboprop)SDR EIA2006075Sensor · damagedAT FL 380, PWR WAS REDUCED FOR SPEED CONTROL AND WAS NOT RESPONSIVE UNTIL REACHING FL 250. REPLACED NR 3 TT2 SENSOR AS PER MM 72-21-04, OPS CHK GOOD PER MM 71-00-00 TEST 3.May 12, 2006 · N486EV · Boeing 747212B · Engine ControlsSDR EIA2006066Engine · stalledWHILE DESCENDING FORM FL370 TO FL350, NR 3 ENGINE WENT INTO UNRECOVERABLE STALL. NO FLAMEOUT, VIBRATION OR EXCEEDENCES NOTED. NO SUCCESS WITH TWO ATTEMPTS TO RELIGHT. RAN IN-FLIGHT SHUTDOWN PROCEDURES, WAS ABLE TO RESTART AT FL 180. CHECKED PS3, PT3 PER MMMay 11, 2006 · N486EV · Boeing 747212B · Engine (Turbine/Turboprop)SDR EIA2006065Engine · oil consumptionAIRCRAFT NR 1 ENGINE HIGH OIL CONSUMPTION. SENT TO MZJ TO REPLACE ENGINE, 663076 OFF, 662500 ON.May 2, 2006 · N478EV · Boeing 747SR46 · Turbine Engine Oil SystemSDR 0600226716Floorbeam · crackedDURING H-CHECK, FOUND CRACK ON UPPER DECK FLOORBEAM FASTENER HOLE AT BS 340 RBL 42. REPAIRED IAW EA 67-165190.Jan 20, 2006 · N617US · Boeing 747251F · Fuselage Main, Floor BeamSDR 0501576718Frame · corrodedDURING L-CHECK FOUND CORROSION AND CRACK ON FRAME IN LT BLG WHEEL WELL AT BS 1146. REPAIRED IAW EA 67-165244.Sep 16, 2005 · N618US · Boeing 747251F · Fuselage Main, FrameSDR 0501566718Frame · crackedDURING L-CHECK FOUND CRACK IN FRAME AT BS 380 S27R AND S28R. REPAIRED IAW EA 67-165241.Sep 15, 2005 · N618US · Boeing 747251F · Fuselage Main, FrameSDR EIA2004107Engine · malfunctionedON TAKE OFF ROLL, NR 3 ENGINE WOULD NOT SPOOL UP. THRUST LEVER AT 3/4 TRAVEL, EPR 1.034, N1 42.3 PERCENT, N2 95.8 PERCENT, EGT 761 DEG, FUEL FLOW 4795. REMOVED NR 3 EVC. OP'S AND LEAK CHECK OK PER MM 75-31-01. PERFORMED ALTERNATE EVC TRIM TEST NR 08A PER MOct 7, 2004 · N481EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR EIA2004045Warning Light · illuminatedAFTER TAKEOFF (3000 FT), NR 4 ENGINE FIRE SWITCH ILLUMINATED BELL SOUNDED AND MACELL INDICATOR READ APPROX 9.5 ON A/B LOOPS PERFORMED ENGINE SHUT DOWN IAW EMERGENCY CHECKLIST NR 4 THRUST LEVER WOULD NOT MOVE FWD OF REFERENCE NR 2 AND NR 4 ENG ICING LIGHT ILLUMJul 7, 2004 · N480EV · Boeing 747121 · Central WarningSDR EIA2004036Warning System · activatedNR 2 ENGINE OIL QUANTITY DECREASED TO 1/16 LOW OIL PRESS LIGHT ILLUMINATED. SHUT DOWN NR 2 ENG AT 0305Z WINDMILL OIL PRESSURE 15 PSI FOR 57 MINUTES.May 13, 2004 · N481EV · Boeing 747132 · Engine Oil QuantitySDR EIA2004005Guide Vane · missingON POST FLIGHT WALKAROUND FOUND FAN EXIT GUIDE VANE MISSING AT 6:30 POSITION ON NR 4 ENGINE. VANE STRUCK T/E OF T/R SLEEVE CAUSING TEAR AT 6:30 POSITION AND PUT A HOLE IN THE LT INBOARD COWL. TRANSFERRED TO COI NR 053 MAX 50 HRS FLY BACK ENGINE SCHEDULED ATJan 12, 2004 · N479EV · Boeing 747132 · Turbine Engine Bypass SectionSDR EIA2003045Valve · failedNR 3 ENGINE ANTI-ICE VALVE INOPERATIVE. REPLACED NR 3 ENGINE ANTI-ICE VALVE, OPS AND LOCK CHECK, OK. IAW 30-21-03 AND 30-21-00.Mar 2, 2003 · N486EV · Boeing 747212B · Air Intake Anti/De-Ice SystemSDR 200200185Flange · crackedCRACK FROM -R- FLANGE LIGHTENING HOLE TO THE OUTER FLANGE AT THE 6 O'CLOCK POSITION. WELDED PER EIA ECRA 685755-72-010-1 AND 747 MM 72-53-02.Mar 21, 2002 · N479EV · Boeing 747132 · Turbine SectionSDR P5CA0100594Engine · malfunctionedWHEN THROTTLES WERE RETARDED FOR DESCENT, NR 2 ENG HAD EXCESSIVE VIBRATION FOLLOWED BY UNCLEARABLE STALL CONDITION. ENG SHUTDOWN WAS ACCOMPLISHED NORMALLY. LUBRICATED BLEED FEEDBACK PUSH PULL CABLE SYSTEM. INSPECTED ENG INLET EXHAUST BLEEDS. OPS CHECKED OKSep 20, 2001 · N922FT · Boeing 7472U3B · Engine (Turbine/Turboprop)SDR EIA2001116Engine · failedCGK - NR 1 ENGINE SHUTDOWN IN FLIGHT AT 39,000 FEET, ON DESCENT TRIED TO START. N2 56 PERCENT EGT CLIMBED TO 948 RAPIDLY. ENGINE SHUTDOWN AFTER GOING THROUGH TURBULENCE. WINDMILLING CHECK PERFORMED, CHIP DETECTORS CHECKED GOOD. REPLACED OIL FILTER AND FUELMar 20, 2001 · N481EV · Boeing 747132 · Engine (Turbine/Turboprop)SDR EIA2000042Engine · fodPHL - ON TAKEOFF ROLL, INGESTED 1-2 GEESE IN NR 1 ENGINE. ABORTED TAKEOFF. MAJOR DAMAGE TO NR 1 ENGINE, FLAMEOUT, OVERTEMP AND SEIZED. SUSTAINED IMPACT DAMAGE TO GROUP 1 LT NR 2 AND NR 4 LED''S. REPLACED GROUP 1 LT NR 2 AND NR 4 LED''S. REPLACED NR 1 ENGIAug 23, 2000 · N477EV · Boeing 747SR46 · Engine (Turbine/Turboprop)SDR CA981230051Tire · failed(CAN) REPORTED BY TOWER, FOUND RECAP ON RUNWAY AFTER DEPARTURE, AIRCRAFT RETURNED AND FOUND NR 6 TIRE BLOWN, CHANGED TIRE AND AXLE MATE.Dec 11, 1998 · Boeing 747238B · TireSDR EIAA980326Engine · birdstrikeHKG - NR 1 ENGINE STALLED AFTER BIRDSTRIKE, EGT PEGGED GAUGE, N1, N2, EPR AND FUEL FLOW ROLLED BACK TO APPROX 60 PERCENT N1, NORMAL ENGINE OPERATION RETURNED AFTER APPROX 5 SECONDS. ENGINE WAS SHUTDOWN AND RETURNED TO HKG. (M)Oct 16, 1998 · N485EV · Boeing 747212B · Engine (Turbine/Turboprop)SDR EIAA980320Switch · failedJFK - IN CRUISE, NR 4 ENGINE START VALVE OPEN LIGHT CAME ON. SHUTDOWN ENGINE. N1 32 PERCENT, N2 24 PERCENT, OIL PRESSURE 20 PSI. REPLACED START VALVE SWITCH PER MM 80-11-05. OPS CHECK GOOD. INSPECTED ENGINE PER MM 72-00. (M)Oct 11, 1998 · N470EV · Boeing 747273C · Engine Start Valves/ControlsSDR TWRA9844Turbine · crackedDURING ROUTINE INSPECTION, AN .9375 INCH CRACK WAS FOUND ON THE LOW PRESSURE TURBINE CASE EXITING OUT OF THE EGT THERMAL COUPLE PORT AT THE 1 O'CLOCK POSITION. ENGINE WAS REMOVED FROM SERVICE. (M)Aug 6, 1998 · N617FF · Boeing 747121 · Turbine SectionSDR 9809696614Engine · flamed outWHILE CLIMBING THROUGH FL340, THE NR 2 ENGINE FLAMED OUT. THE ENGINES WERE RESTARTED APPROXIMATELY ONE MINUTE LATER WITH NORMAL INDICATIONS. THE FLIGHT CONTINUED TO SEL WITHOUT DIFFICULTY. MAINTENANCE INSPECTED THE ENGINES AND PERFORMED ENGINE RUNS WITH NO Jun 26, 1998 · N614US · Boeing 747251B · Engine (Turbine/Turboprop)SDR CALA9801144Engine · failedTHE NR 1 ENGINE EXPERIENCED COMPRESSOR STALLS AND AUTOMATICALLY SHUTDOWN AFTER TAKEOFF FROM GUM. THE ENGINE FAILURE WAS ACCOMPANIED BY A LOUD BANG. FUEL WAS DUMPED AND THE AIRCRAFT WAS RETURNED TO GUM WHERE IT LANDED WITHOUT INCIDENT. INSPECTION BY MAINTENAJun 19, 1998 · N78019 · Boeing 747230B · Engine (Turbine/Turboprop)SDR P5CA9800797Seal · leakingNR 4 ENGINE LOST OIL QTY AND PRESSURE. OIL PRESSURE LIGHT CAME ON AND TEMP BEGAN TO RISE. ENGINE SHUT DOWN. FOUND OIL LEAK TO BE FROM CSD PAD. REPLACED CSD SEAL PER BOEING M/M 24-11-01, LEAK CHECK OK.May 28, 1998 · N854FT · Boeing 747122 · Turbine Engine Accessory DriveSDR 9807656729Compressor · stalledDURING LANDING ROLLOUT, WHILE IN REVERSE THRUST, THE NR 3 ENGINE EXPERIENCED A MINOR COMPRESSOR STALL. EGT REACHED MAXIMUM OF 740C BEFORE THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED THE ENGINE WITH NO DEFECTS NOTED AND THE AIRCRAFT WAS RETURNED TO SERVICApr 26, 1998 · N629US · Boeing 747251F · Turbine Engine Compressor SectionSDR 9806976718Tachometer · malfunctionedDURING TAKEOFF ROLL AT APPROXIMATELY 115 KTS, THE NR 4 ENGINE N1 RPM INDICATION MALFUNCTIONED. THE TAKEOFF WAS ABORTED. MAINTENANCE PLACED THE NR 4 ENGINE N1 INDICATION SYSTEM ON MEL AND THE AIRCRAFT RETURNED TO SERVICE.Apr 19, 1998 · N618US · Boeing 747251F · Engine RPM Indicating SystemSDR CA980417004Localizer · malfunctioned(CAN) ON ILS APPROACH, CAPTAIN'S GLIDE SLOPE SHOWED FULL SCALE HIGH. ON PASSING NDB/BEACON AT WHAT SHOULD HAVE BEEN FL 230, AIRCRAFT WAS BELOW GLIDE SLOPE, FIRST OFFICER'S INDICATOR SHOWED FULL SCALE BELOW GLIDE SLOPE. CORRECTION MADE AND A/C LANDED. FOUND Mar 28, 1998 · Boeing 747238B · Localizer/VOR SystemSDR 9804966613Engine · malfunctionedDURING CRUISE, THE CREW NOTICED THE NR 3 ENGINE OIL CONSUMPTION TO BE UNUSUALLY HIGH. THE OIL CONSUMPTION DECREASED WITH LOWER POWER SETTINGS SO THE AIRCRAFT DIVERTED TO MSP FOR MAINTENANCE. THE ENGINE WAS NOT SHUT DOWN AND THE FLIGHT WAS COMPLETED WITHOUT FMar 24, 1998 · N613US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9804876718Compressor · stalledWHILE AT CRUISE FL350, THE NR 1 ENGINE COMPRESSOR STALLED. THE ENGINE WAS SHUT DOWN AFTER REACHING AN EGT OF 1002C FOR 5 SECONDS. NO RESTART WAS ATTEMPTED. THE FLIGHT CONTINUED TO KIX WITHOUT FURTHER DIFFICULTY. THE AIRCRAFT WAS REMOVED FROM SERVICE AND THMar 22, 1998 · N618US · Boeing 747251F · Turbine Engine Compressor SectionSDR 9804836718Breather Tube · crackedWHILE IN CRUISE, THE NR 1 ENGINE OIL QUANTITY WENT TO ZERO WITH THE OIL PRESSURE DROPPING RAPIDLY DOWN TO 8 TO 9 PSI. THE ENGINE WAS SHUT DOWN PER COM PROCEDURE AND THE AIRCRAFT RETURNED TO ANC WITHOUT DIFFICULTY. MAINTENANCE INSPECTED THE ENGINE AND REPLACEMar 20, 1998 · N618US · Boeing 747251F · Turbine Engine Oil SystemSDR 9803156614Compressor · stalledAFTER LANDING AND JUST AFTER STOWING THE THRUST REVERSERS, THE CREW NOTED THE LOW OIL PRESSURE WARNING LIGHT ON AND EGT INDICATION ABOVE REDLINE FOR THE NR 4 ENGINE. THE ENGINE WAS SHUT DOWN AFTER REACHING A MAX EGT OF 1132C FOR 73 SECONDS. MAINTENANCE REPLAFeb 14, 1998 · N614US · Boeing 747251B · Turbine Engine Compressor SectionSDR CALA9800207Sense Line · crackedTHE NR 2 ENGINE LOST PARTIAL POWER WHILE IN CRUISE FLIGHT FROM HNL TO NRT. THE EPR DROPPED FROM 1.40 TO 1.13 AND N1 DROPPED FROM 95 PERCENT TO 85 PERCENT. THE AIRCRAFT WAS RETURNED TO HNL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE NR 2 ENGINE PFeb 9, 1998 · N14024 · Boeing 747238B · Compressor Bleed ControlSDR 9802296613Engine · flamed outJUST BEFORE TOP OF DESCENT AT FL370, THE NR 4 ENGINE FLAMED OUT. THE ENGINE WAS RESTARTED NORMALLY AT FL310 AND PERFORMED WITHOUT ANY PROBLEMS FOR THE REMAINEDER OF THE FLIGHT. MAINTENANCE VISUALLY INSPECTED THE ENGINE WITH NO DEFECTS NOTED. THE ENGINE FUELFeb 6, 1998 · N613US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9802206729Engine · failedAPPROXIMATELY 30 MINUTES AFTER TAKEOFF, THE NR 2 ENGINE FILTER BYPASS WARNING LIGHT ILLUMINATED. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT RETURNED TO ANC. MAINTENANCE FOUND THE NR 2 ENGINE MAIN OIL FILTER CLOGGED. THE AIRCRAFT WAS FERRIED ON THREE ENGINES Feb 1, 1998 · N629US · Boeing 747251F · Engine (Turbine/Turboprop)SDR CALA9800104Garlock Seal · leakingTHE NR 3 ENGINE OIL QUANTITY DECREASED TO ZERO WHILE EN ROUTE. THE NR 3 ENGINE WAS SHUTDOWN AND THE AIRCRAFT LANDED AT HNL WITHOUT INCIDENT. MAINTENANCE FOUND OIL LEAKING FROM CSD DRIVE PAD. THE GARLOCK SEAL AND ALL OIL SEALS WERE REMOVED AND REPLACED IAW MJan 23, 1998 · N33021 · Boeing 747243B · Turbine Engine Oil SystemSDR TWRA9802Fuel Control · malfunctionedWHILE CRUISING AT F/L 330, SMOOTH AIR, NR 3 ENGINE FLAMED OUT, FUEL PANEL SETTING WAS TANK TO ENGINE. USED TOWER AIR PROCEDURES FOR INFLIGHT START ENGINE RESTARTED. ALL PARAMETERS NORMAL. PERFORMED NR 3 ENGINE FLAMEOUT TROUBLESHOOTING PROCEDURES IAW MM 71-0Jan 13, 1998 · N608FF · Boeing 747131 · Fuel Control/Turbine EnginesSDR 9800366717Engine · failedON FINAL APPROACH, THE CREW NOTICED THE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED FOR THE NR 1 ENGINE. AFTER LANDING, THE NR 1 ENGINE EGT EXCEEDED REDLINE AND THE CREW SHUT DOWN THE ENGINE. MAINTENANCE REPLACED THE NR 1 ENGINE.Jan 5, 1998 · N617US · Boeing 747251F · Engine (Turbine/Turboprop)SDR 9724566717Engine · flamed outAT APPROXIMATELY 3000 FEET WHILE DESCENDING TO LAND, THE NR 1 ENGINE FLAMED OUT. MAX EGT AFT FLAMEOUT WAS 800C. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE VISUALLY INSPECTED THE ENGINE INCLUDING A BORESCOPE WITH NO DEFECTS FOUND. NUMEROUS COMPRESSORDec 31, 1997 · N617US · Boeing 747251F · Engine (Turbine/Turboprop)SDR EIAA970202Line · leakingANC - LOG PAGE: F47048 - 2.5 HOURS INTO FLIGHT, NR 1 ENGINE OIL QTY WAS DOWN TO 1/2 ON THE GAUGE. REMOVED EXHAUST PLUG AND FOUND TRACE OF OIL AROUND PRESSURE LINE TO NR 6 BEARING COMPARTMENT. REMOVED HEAT SHIELD FROM PRESSURE AND SCAVENGE LINE, TIGHTENED LINov 4, 1997 · N481EV · Boeing 747132 · Turbine Engine Oil SystemSDR P5CA9701692Csd Seal · leakingNR 4 ENGINE OIL QUANTITY STEADILY DECREASED TO ZERO FROM FULL, APPROXIMATELY 1 HOUR AFTER DEPARTURE. ENGINE SHUT DOWN WHEN OIL PRESSURE LIGHT ILLUMINATED. REPLACED NR 4 ENGINE CSD DRIVE SEAL, SEAL RETAINER O-RING, CSD INPUT AND OUTPUT SHAFT PACKING PER BOEINOct 18, 1997 · N853FT · Boeing 747122 · Turbine Engine Accessory DriveSDR 9719276612Evc · malfunctionedDURING FINAL APPROACH, THE NR 1 ENGINE LOW OIL PRESSURE WARNING LIGHT ILLUMINATED WITH THE INDICATED PRESSURE AT 25 PSI AND FALLING. THE EGT INDICATED 850C AND THE ENGINE WAS SHUT DOWN. THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE ENGINE Oct 14, 1997 · N612US · Boeing 747251B · Compressor Bleed ControlSDR EIAA970199Fuel Filter · contaminatedHKG - LOG PAGE: F47136 - UNSCHEDULED THRUST LOSS OF THROTTLE MOVEMENT DURING DESCENT. PERFORMED ENGINE SHUT DOWN. INSPECTED ENGINE, FOUND FUEL FILTER CONTAMINATED, REPLACED FUEL FILTER PER MM 73-11-02. LEAK CHECKED GOOD, PERFORMED ENGINE RUN. (X)Oct 14, 1997 · N481EV · Boeing 747132 · Engine Fuel DistributionSDR 9717686730Start Valve · failedDURING CRUISE FLIGHT, NR 2 ENGINE STAT VALVE OPEN LIGHT ILLUMINATED. PERFORMED NR 2 ENGINE PRECAUTIONARY SHUTDOWN. FLIGHT CREW DUMPED 100,000 LBS OF FUEL AND DIVERTED TO MSP. MAINTENANCE REPLACED THE STARTER AND START VALVE.Sep 18, 1997 · N630US · Boeing 7472J9F · Engine Start Valves/Controls
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