Boeing 747-251B

Service difficulty reports · 827

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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 aircraft_model_key = '747251B'
  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 9722196631Fuel System · ventingDURING CRUISE, FUEL STARTED VENTING OUT OF THE RIGHT WING TIP. AIRCRAFT DIVERTED TO SEA AND LANDED WITHOUT INCIDENT. PERFORMED LEAK CHECK AND COULD NOT DUPLICATE DISCREPANCY. SPECIFIC PART CAUSING EVENT TO BE DETERMINED.Nov 24, 1997 · N631US · Boeing 747251B · Fuel StorageSDR 9722006613Battery Pack · dischargedDURING LINE CHECK, FOUND C-ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK AND POWER SUPPLY, OPERATIONAL CHECK GOOD.Nov 24, 1997 · N613US · Boeing 747251B · Emergency LightingSDR 9721396625Power Supply · inoperativeDURING LINE CHECK, FOUND 7 EMERGENCY EXIT SIGNS THROUGHOUT THE AIRCRAFT THAT FAILED THE 10 MINUTE CAPACITY CHECK. REPLACED THE POWER SUPPLIES, OPERATIONAL CHECK GOOD.Nov 13, 1997 · N625US · Boeing 747251B · Emergency LightingSDR 9721426625Press Deck · corrodedDURING PERIODIC CHECK, FOUND CORROSION ON CEILING PRESSURE DECK I BEAM IN THE RIGHT WHEEL WELL FS 1265, RBL 105 TO 117. REPAIRED PER EA 66-152533.Nov 11, 1997 · N625US · Boeing 747251B · Fuselage Miscellaneous StructureSDR 9721226624Bleed Valve · failedDURING CLIMB, THE NR 1 ENGINE FIRE WARNING LIGHT ILLUMINATED. AIRCRAFT RETURNED TO GUM AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 ENGINE HIGH STAGE BLEED VALVE AND CONTROL, OPERATIONAL CHECK GOOD.Nov 11, 1997 · N624US · Boeing 747251B · Pneumatic Distribution SystemSDR 9721436627Web · crackedDURING PERIODIC CHECK, FOUND A CRACK ON THE MID SPAR WEB OF THE NR 2 PYLON AT AFT INBOARD CORNER, FOUR INCHES FORWARD OF TORQUE BULKHEAD. REPAIRED PER EA 66-152600.Nov 1, 1997 · N627US · Boeing 747251B · Nacelle/Pylon StructureSDR 9720276613Latch · out of adjustDURING CLIMB, THE AFT CARGO DOOR ILLUMINATED AND AIRCRAFT FAILED TO PRESSURIZE. FLIGHT RETURNED TO BKK AFTER DUMPING 5000 LBS OF FUEL AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND THE AFT CARGO DOOR HANDLE OUT OF POSITION. ADJUSTED LATCH AND LOCK. Oct 31, 1997 · N613US · Boeing 747251B · Cargo/Baggage DoorsSDR 9720006614Evac Slide · failedDURING DOOR EVACUATION SLIDE CHECK, DOOR 3R EVACUATION SLIDE DID NOT FULLY INFLATE. REPLACED DOOR 3R EVACUATION SLIDE. OPERATIONAL CHECK GOOD.Oct 24, 1997 · N614US · Boeing 747251B · Escape SlideSDR 9719436612Battery · dischargedDURING LINE CHECK, FOUND B AND D ZONE FLOOR PATH EMERGENCY LIGHTS DEFECTIVE. REPLACED BATTERY ON POWER SUPPLY, OPERATIONAL CHECK GOOD.Oct 17, 1997 · N612US · Boeing 747251B · Emergency LightingSDR 9724966615Skin · crackedDURING ARMAR, FOUND CRACK IN SKIN AT AFT CORNER OF NOSE LANDING GEAR WHEEL WELL FS 400. REPAIRED PER EA 66-152945.Oct 15, 1997 · N615US · Boeing 747251B · Fuselage Main, Plate/SkinSDR 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 9724986615Bulkhead · crackedDURING ARMAR, FOUND CRACK IN OUTER RING AT BULKHEAD AT FS 140. REPAIRED PER EA 66-152946.Oct 13, 1997 · N615US · Boeing 747251B · Fuselage Main, BulkheadSDR 9718996638Elect Box · water contamDURING CRUISE, SMOKE ACCUMULATED FROM SEAT 87AB. CREW WAS UNABLE TO LOCATE SOURCE OF SMOKE. AIRCRAFT DIVERTED TO MSP AND DUMPED FUEL DOWN TO 155K. AIRCRAFT LANDED WITHOUT INCIDENT. FOUND LIQUID SPILL ON SEAT ELECTRONICS BOX. REPLACED SEB. MAINTENANCE REOct 10, 1997 · N638US · Boeing 747251B · Entertainment SystemSDR 9724976615Floorbeam · crackedDURING ARMAR, FOUND CRACK IN UPPER DECK FLOORBEAM WEB FS 460, RBL 110, WL 300. REPAIRED PER EA 66-152673.Oct 8, 1997 · N615US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9719416628Longeron · crackedDURING PERIODIC CHECK, FOUND CRACK IN LEFT OVERWING LONGERON AT FS 1363 TO 1470. REPAIRED PER EA 66-121396.Oct 4, 1997 · N628US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9718656628Floorbeam · corrodedDURING PERIODIC CHECK, FOUND CORROSION OF MAIN DECK FLOORBEAM UPPER CHORD FROM FS 1270 TO 1300 AT LBL 11.3. REPAIRED PER EA 66-152593.Sep 30, 1997 · N628US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9718666628Floorbeam · corrodedDURING PERIODIC CHECK, FOUND CORROSION ON MAIN DECK FLOORBEAM FROM FS 1269 TO 1300 AT LBL 33.9. REPAIRED PER EA 66-152329.Sep 26, 1997 · N628US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9717976638Engine · failedDURING CLIMBOUT JUST AFTER TAKEOFF, THE NR 3 ENGINE EGT ROSE TO 840 CELSIUS EGT REMAINED AT 840 CELSIUS EVEN WITH POWER REDUCED TO IDLE. THE ENGINE WAS SHUT DOWN, FUEL WAS DUMPED AND THE AIRCRAFT RETURNED TO NRT WITHOUT INCIDENT. MAINTENANCE CHANGED THE ENGISep 24, 1997 · N638US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9717116611Gear Light · illuminatedDURING CLIMB, THE RED LANDING GEAR LIGHT ILLUMINATED. RECYCLED THE LANDING GEAR AND THE LIGHT EXTINGUISHED. AIRCRAFT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. VISUALLY INSPECTED LANDING GEAR, ALL CHECKED NORMAL.Sep 7, 1997 · N611US · Boeing 747251B · Landing Gear Position and WarningSDR 9717076623Spar Web · corrodedDURING PERIODIC CHECK, FOUND CORROSION ON FRONT SPAR WEB AT LOWER CHORD BETWEEN FSSI 600 AND 610. REPAIRED PER EA 66-151501.Sep 3, 1997 · N623US · Boeing 747251B · Wing SparSDR 9716656625Pump · leakingDURING CRUISE, THE NR 4 HYDRAULIC SYSTEM INDICATED A LOSS OF FLUID AND PRESSURE. AIRCRAFT DIVERTED TO MSP AND LANDED WITHOUT INCIDENT. REPLACED THE NR 4 ENGINE DRIVEN PUMP, OPERATIONAL CHECK GOOD.Sep 2, 1997 · N625US · Boeing 747251B · Hydraulic Pump (Electric/Engine), MainSDR 9716326627Power Supply · inoperativeDURING LINE CHECK, FOUND 'E' ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY, OPERATIONAL CHECK GOOD.Aug 31, 1997 · N627US · Boeing 747251B · Emergency LightingSDR 9716266624Compressor · stalledDURING LANDING ROLLOUT AND WHILE IN REVERSE THRUST, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL. N1 AND N2 DECREASED WHILE EGT ROSE TO 505C. THE ENGINE WAS SHUT DOWN IN REVERSE. MAINTENANCE RAN ENGINE AND OPERATIONALLY CHECKED THE REVERSE OPERATION. ALLAug 26, 1997 · N624US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9716026638Battery · dischargedDURING LINE CHECK, FOUND FLOOR PATH EMERGENCY LIGHTS INOPERATIVE IN ZONE 'B'. REPLACED BATTERY, OPERATIONAL CHECK GOOD.Aug 22, 1997 · N638US · Boeing 747251B · Emergency LightingSDR 9715976638Battery · dischargedDURING LINE CHECK, FOUND FIRST CLASS FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY. OPERATIONAL CHECK GOOD.Aug 21, 1997 · N638US · Boeing 747251B · Emergency LightingSDR 9715986632Compressor · stalledON APPLICATION OF TAKEOFF POWER, THE NR 2 ENGINE COMPRESSOR STALLED. THE TAKEOFF WAS ABORTED AND THE AIRCRAFT RETURNED TO THE GATE. ENGINE WAS BOROSCOPED WITH NO DEFECTS NOTED. DURING MAINTENANCE RUN THE ENGINE COMPRESSOR STALLED AGAIN AND WAS REMOVED. EXAAug 20, 1997 · N632US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9715166611Wire Harness · crossedAIRCRAFT EXPERIENCED A TIRE FAILURE DURING LANDING. AIRCRAFT COMPLETED LANDING WITHOUT FURTHER INCIDENT. REPLACED THE NR 3 AND NR 4 TIRE ASSEMBLIES AND REPOSITIONED WIRE HARNESS FOR THE NR 3 AND NR 4 ANTI-SKID TRANSDUCERS. OPERATIONAL CHECK GOOD.Aug 5, 1997 · N611US · Boeing 747251B · Landing Gear System WiringSDR 9714806611Tire · failedAIRCRAFT EXPERIENCED A TIRE FAILURE DURING LANDING. AIRCRAFT COMPLETED LANDING WITHOUT INCIDENT. REPLACED THE NR 3 AND NR 4 TIRE ASSEMBLIES, ALL OPERATIONAL CHECKS GOOD.Aug 1, 1997 · N611US · Boeing 747251B · TireSDR 9717306623Spar Web · corrosionDURING PREFLIGHT CHECK, FOUND FUEL LEAK OUTBOARD OF NR 4 ENGINE. FURTHER INSPECTION REVEALED CORROSION ON FORWARD SPAR WEB AT WS 1345. REPAIRED PER EA 66-150487 AND 66-151496.Jul 30, 1997 · N623US · Boeing 747251B · Wing SparSDR 9714766632Engine · failedCREW NOTICED OIL QUANTITY FOR THE NR 1 ENGINE WAS DECREASING AT A GREATER RATE THAN NORMAL. INDICATED QUANTITY HAD DECREASED FROM 4 GALLONS TO 2 GALLONS IN 5 HOURS FLIGHT TIME. PRESSURE AND TEMPERATURE REMAINED NORMAL. MAINTENANCE CONTROL ADVISED REDUCING PJul 29, 1997 · N632US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9714556718Oil Filter · dirtyWHILE IN CRUISE, THE NR 3 ENGINE OIL FILTER BYPASS LIGHT BEGAN TO FLICKER, AFTER 2-3 MINUTES THE LIGHT WAS STEADY AND REMAINED STEADY WHEN POWER WAS REDUCED TO IDLE. THE ENGINE WAS SHUT DOWN AND LANDED AT DESTINATION WITHOUT INCIDENT. MAINTENANCE FOUND THE MAJul 28, 1997 · N618US · Boeing 747251B · Turbine Engine Oil SystemSDR 9714586627Control Rod · ouf of adjustDURING TAKEOFF, THE TAKEOFF WARNING HORN SOUNDED. AIRCRAFT SHORTED TAKEOFF. MAINTENANCE ADJUSTED THE SPEEDBRAKE ACTUATOR CONTROL ROD. OPERAITONAL CHECK GOOD.Jul 26, 1997 · N627US · Boeing 747251B · Drag Control ActuatorSDR 9714546611Gearbox · leakingWHILE IN CRUISE, THE NR 4 ENGINE OIL QUANTITY DROPPED TO ZERO. OIL PRESSURE FELL TO THE YELLOW BAND AND THE ENGINE POWER WAS REDUCED TO IDLE FOR TWO MINUTES. THE ENGINE WAS THEN SHUT DOWN. MAINTENANCE FOUND A COVER ON THE ENGINE ANGLE GEARBOX LOOSE. THIS WJul 25, 1997 · N611US · Boeing 747251B · Turbine Engine Accessory DriveSDR 9714176613Power Supply · inoperativeDURING LINE CHECK, FOUND B ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY. OPERATIONAL CHECK GOOD.Jul 25, 1997 · N631US · Boeing 747251B · Emergency LightingSDR 9713186627Power Supply · inoperativeDURING LINE CHECK, FOUND B-ZONE AND UPPER DECK FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY PACK, OPERATIONAL CHECK GOOD.Jul 7, 1997 · N627US · Boeing 747251B · Emergency LightingSDR 9713196636Pneu Valve/Contl · failedDURING CLIMB, THE NR 2 ENGINE NACELLE TEMPERATURE INDICATED HIGH. FOLLOWED COCKPIT OPERATING MANUAL PROCEDURES AND AIRCRAFT RETURNED TO KIX AND LANDED WITHOUT INCIDENT. REPLACED THE HIGH STAGE VALVE AND CONTROL, OPERATIONAL CHECK GOOD.Jul 5, 1997 · N636US · Boeing 747251B · Pneumatic Distribution SystemSDR 9713126637Compressor · stalledAFTER STARTING AND WITH ENGINE STABLE AT IDLE, THE NR 4 ENGINE COMPRESSOR STALLED. N1, N2, AND OIL PRESSURE DROPPED WITH EGT RISING TO 490 CELSIUS. SECOND START WAS NORMAL. MAINTENANCE RAN ENGINE WITH NO DEFECTS NOTED. EXACT PART CAUSING PROBLEM TO BE DETEJul 1, 1997 · N637US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9713076637Compressor · stalledAFTER STARTING AND WITH ENGINE STABLE AT IDLE, THE NR 1 ENGINE COMPRESSOR STALLED. N1, N2, AND OIL PRESSURE DECREASED WITH EGT RISING TO 490 CELSIUS. AFTER SECOND START, ENGINE OPERATION WAS NORMAL. MAINTENANCE RAN ENGINE WITH NO DEFECTS. EXACT PART CAUSINJul 1, 1997 · N637US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9712926626Sill · crackedDURING PERIODIC CHECK, FOUND A CRACK IN MAIN ENTRY DOOR 1L UPPER SILL CHORD FS 460. REPAIRED PER EA 66-151097.Jul 1, 1997 · N626US · Boeing 747251B · Fuselage Miscellaneous StructureSDR 9712636615Epr Indication · malfunctionedWHEN FULL POWER WAS APPLIED AT TAKEOFF, THE NR 1 ENGINE ONLY INDICATED AN EPR OF 1.46. OTHER ENGINE INDICATIONS WERE NORMAL. TAKEOFF WAS ABORTED. MAINTENANCE VISUALLY CHECKED THE NR 1 ENGINE INLET AND EXHAUST WITH NO TROUBLE FOUND. THE NR 1 ENGINE EPR INDICJun 28, 1997 · N615US · Boeing 747251B · Engine Pressure Ratio (EPR)SDR 9712626628Evbc Filter · dirtyDURING LANDING WHILE COMING OUT OF REVERSE THRUST, THE NR 4 ENGINE RPM DROPPED TO ZERO. EGT ROSE TO 710C FOR TEN SECONDS AND OIL PRESSURE DROPPED TO ZERO. ENGINE WAS SHUT DOWN. MAINTENANCE PERFORMED AN OVER TEMPERATURE INSPECTION AND TROUBLESHOOTING PER FIM Jun 28, 1997 · N628US · Boeing 747251B · Compressor Bleed ControlSDR 9712686627Battery · dischargedDURING LINE CHECK, FOUND B-ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY, OPERATIONAL CHECK GOOD.Jun 27, 1997 · N627US · Boeing 747251B · Emergency LightingSDR 9712666623Down/Lock Light · failedDURING APPROACH, THE LEFT WING LANDING GEAR DID NOT INDICATE DOWN AND LOCKED. MANUALLY EXTENDED LANDING GEAR. AIRCRAFT LANDED WITHOUT INCIDENT. VISUALLY INSPECTED AND OPERATIONALLY CHECKED LANDING GEAR, ALL CHECKS GOOD.Jun 24, 1997 · N623US · Boeing 747251B · Landing Gear Position and WarningSDR 9712076623Battery Pack · dischargedDURING LINE CHECK, FOUND C-ZONE EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK GOOD.Jun 22, 1997 · N623US · Boeing 747251B · Emergency LightingSDR 9712066615Engine · failedON CLIMBOUT, THE NR 1 ENGINE COMPRESSSOR STALLED WITH EPR DOWN TO 1.0 AND EGT IN RED. FOUR MINUTES LATER, ANOTHER STALL OCCURRED AND THE CREW SHUT THE ENGINE DOWN. DUMPED 120,000 LBS OF FUEL AND THE AIRCRAFT RETURNED TO MSP. MAINTENANCE INSPECTED THE ENGINEJun 20, 1997 · N615US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9711826627Hyd Line · leakingDURING CLIMB, THE NR 1 HYDRAULC SYSTEM INDICATED A LOSS OF QUANTITY AND PRESSURE. AIRCRAFT RETURNED TO GUM AND LANDED WITHOUT INCIDENT. REPLACED A NR 1 HYDRAULIC RETURN LINE IN THE AFT BULK CARGO COMPARTMENT, OPERATIONAL CHECK GOOD.Jun 17, 1997 · N627US · Boeing 747251B · Hydraulic System, MainSDR 9711836614Engine · failedIN CRUISE, THE NR 3 ENGINE LOW OIL PRESSURE LIGHT BEGAN FLICKERING. NR 3 OIL PRESSURE DECREASED FROM 35 PSI TO 20 PSI. ENGINE POWER WAS REDUCED TO IDLE AND A SIGNIFICANT AIRFRAME VIBRATION DEVELOPED. NR 3 ENGINE WAS SHUT DOWN USING COM PROCEDURE. DUMPED 90Jun 16, 1997 · N614US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9711146614Engine · malfunctionedWHILE IN CRUISE, THE NR 1 ENGINE FUEL FLOW INCREASED TO 15,000 LBS PER HOUR. EGT WENT INTO THE RED FOR 15 SECONDS. POWER LEVER WAS RETARDED TO IDLE WITH NO AFFECT FOR 5 SECONDS. FUEL HEAT WAS APPLIED AND THE ENGINE WAS SHUT DOWN. MAINTENANCE PERFORMED AN OJun 8, 1997 · N614US · Boeing 747251B · Engine (Turbine/Turboprop)SDR 9711136624Tr Unit · malfunctionedNR 1 ENGINE THRUST REVERSER WOULD NOT STOW AFTER LANDING. CREW RECYCLED THE NR 1 REVERSER LEVER AND THE ENGINE COMPRESSOR STALLED. EGT PEAKED AT 550C FOR 2 TO 3 SECONDS AND THE ENGINE WAS SHUT DOWN. MAINTENANCE INSPECTED ENGINE INLET, EXHAUST, AND BLEED SYSJun 6, 1997 · N624US · Boeing 747251B · Engine Thrust ReverserSDR 9710326614Limit Switch · failedDURING TAKEOFF, THE TAKEOFF WARNING HORN SOUNDED. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO THE GATE. REPLACED THE STABILIZER TRIM LIMIT SWITCHES, OPERATIONAL CHECK GOOD.May 26, 1997 · N614US · Boeing 747251B · Stabilizer Position Indicating
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