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 9626406627Downlock Act · failedDURING APPROACH, THE LEFT WING LANDING GEAR WOULD NOT EXTEND. AIRCRAFT EXECUTED A GO-AROUND AND ALTERNATELY EXTENDING THE LANDING GEAR. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE LEFT WING LANDING GEAR DOWNLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Oct 1, 1996 · N627US · Boeing 747251B · Landing Gear Retraction/Extension SystemSDR 9621636613Bulkhead Web · crackedDURING P-CHECK, FOUND A 1.5 INCH CRACK IN THE NR 1 PYLON LOWER BULKHEAD WEB AT NACELLE STA 210. REPAIRED WEB PER EA 66-106410.Oct 1, 1996 · N613US · Boeing 747251B · Nacelle/Pylon, Bulkhead/FirewallSDR 9621576613Floor Beam · corrodedDURING P-CHECK, FOUND CORROSION ON THE BS 520 UPPER DECK FLOOR BEAM UPPER CHORD FROM LBL 40 TO 50. REPAIRED CHORD (P/N 65B10936-12) PER EA 66-106402.Sep 24, 1996 · N613US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9620306636Power Supply · inoperativeDURING LINE CHECK, FOUND UPPER DECK FLOOR EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK GOOD.Sep 21, 1996 · N636US · Boeing 747251B · Emergency LightingSDR 9619806615Connector · defectiveEN ROUTE, THE NR 1 ENIGNE OIL BYPASS FILTER LIGHT ILLUMINATED AT FL370. CREW FOLLOWED COM PROCEDURE, SHUT DOWN THE ENGINE AND FLIGHT CONTINUED TO NRT WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE ENGINE OIL FILTER AND A DEFECTIVE ELECTRICAL CONNECTOR D0Sep 16, 1996 · N615US · Boeing 747251B · Engine Oil Indicating SystemSDR 9619776623Evbc · malfunctionedEN ROUTE, THE NR 1 ENGINE EXPERIENCED TOP OF DESCENT COMPRESSOR STALL AND FLAME-OUT. CREW FOLLOWED COM PROCEDURE, RESTARTED ENGINE AT FL290, AND CONTINUED FLIGHT TO KIX WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED EVBC AND TRIMMED ENGINE.Sep 15, 1996 · N623US · Boeing 747251B · Compressor Bleed ControlSDR 9619726633Wire · shortedDURING TAKEOFF AND APPLICATION OF POWER, THE NR 1 EGT FLUCTUATES OFF SCALE. TAKEOFF WAS ABORTED AT 60 KTS AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND OPEN WIRE JUST AFT OF THE MAIN GEAR BOX. REPAIR WAS MADE AND ENGINE RUN-UP CHECK WAS NORMAL.Sep 10, 1996 · N633US · Boeing 747251B · Engine Indicating System WiringSDR 9618976625Control Handle · lack of lubeDURING APPROACH THE LANDING GEAR UNSAFE LIGHT REMAINED ILLUMINATED AFTER LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LIGHT EXTINGUISHED. AIRCRAFT LANDED WITHOUT INCIDENT. LUBRICATED LANDING GEAR CONTROL HANDLE, OPERATIONAL CHECK GOOD.Aug 30, 1996 · N625US · Boeing 747251B · Landing Gear SelectorSDR 9619136615Spar Web · crackedDURING P-CHECK, FOUND CRACKS AND CORROSION IN THE RIGHT WING FRONT SPAR WEB AT THE UPPER CHORD FSSI 1087. REPAIRED PER EA 66-106376.Aug 29, 1996 · N615US · Boeing 747251B · Wing SparSDR 9618916613Compressor · stalledEN ROUTE, THE NR 4 ENGINE EXPERIENCED COMPRESSOR STALL AT TOP OF DESCENT. CREW FOLLOWED COM PROCEDURE AND SHUT DOWN THE ENGINE. DECLARED EMERGENCY AND CONTINUED FLIGHT TO MSP WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTION REVEALED METAL IN TAILPIPE. THE Aug 29, 1996 · N613US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9618426637Compressor · stalledDURING INITIAL CLIMB, THE NR 3 ENGINE EXPERIENCED A COMPRESSOR STALL. THE ENGINE WAS SHUTDOWN AND RESTARTED. FLIGHT CONTINUED AND AT TOP OF DESCENT, THE NR 3 ENGINE STALLED AGAIN. HOWEVER, ENGINE SHUTDOWN WAS NOT ACCOMPLISHED. FLIGHT CONTINUED TO HKG WITHOAug 24, 1996 · N637US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9618086718Dnlock Actuator · failedDURING APPROACH, THE RIGHT WING LANDING GEAR WOULD NOT EXTEND DURING LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LANDING GEAR EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT WING GEAR DOWNLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Aug 18, 1996 · N618US · Boeing 747251B · Landing Gear Retraction/Extension SystemSDR 9617946623Fan Blade · failedDURING CLIMBOUT OF NRT, THE NR 2 ENIGNE EXPERIENCED A COMPRESSOR STALL AND SUBSEQUENT VIBRATION OF THE ENGINE. CREW SHUT DOWN THE ENGINE AND RETURNED TO NRT WITHOUT FURTHER INCIDENT. INSPECTION OF THE ENGINE REVEALED NR 5 FAN BLADE BROKEN BELOW THE MID SPAN Aug 15, 1996 · N623US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9617826636Battery Pack · dischargedDURING LINE CHECK, FOUND ZONE-B EMERGENCY FLOOR PATH LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK GOOD.Aug 15, 1996 · N636US · Boeing 747251B · Emergency LightingSDR 9617696718Uplock Act · failedDURING APPROACH, THE RIGHT WING LANDING GEAR WOULD NOT EXTEND DURING LANDING GEAR EXTENSION. RECYCLED LANDING GEAR AND LANDING GEAR EXTENDED. AIRCRAFT LANDED WITHOUT INCIDENT. REPLACED THE RIGHT WING GEAR UPLOCK ACTUATOR, OPERATIONAL CHECK GOOD.Aug 13, 1996 · N618US · Boeing 747251B · Landing Gear Retraction/Extension SystemSDR 9617686637Y-Duct · crackedDURING TAKEOFF, THE NR 3 FIRE WARNING LIGHT ILLUMINATED ACCOMPANIED BY HIGH NACELLE TEMPERATURE INDICATIONS. AIRCRAFT ABORTED TAKEOFF AND RETURNED TO GATE. FOUND CRACK IN Y-DUCT AT PYLON AREA. REPAIRED DUCT AND REPLACED HIGH STAGE VALVE AND CONTROLLER, OPERAug 12, 1996 · N637US · Boeing 747251B · Pneumatic Distribution SystemSDR 9617336611Logic Card · defectiveDURING CLIMB, THE RED NOSE LANDING GEAR LIGHT ILLUMINATED AFTER LANDING GEAR RETRACTION. RECYCLED LANDING GEAR AND LIGHT EXTINGUISHED. AIRCRAFT CONTINUED TO SEA AND LANDED WITHOUT INCIDENT. RESEATED GEAR CARDS IN HOLDERS AND GREASED NOSE LANDING GEAR, OPERAAug 11, 1996 · N611US · Boeing 747251B · Landing Gear Position and WarningSDR 9617366636Bleed Valve · failedDURING TAKEOFF (AMS), THE NR 4 ENGINE EGT WARNING AND OVERHEAT LIGHT ILLUMINATED FOLLOWED BY A NR 4 ENGINE FIRE WARNING. ABORTED TAKEOFF. REPLACED THE HIGH STAGE BLEED VALVE AND CONTROLLER. OPERATIONAL CHECK GOOD.Aug 10, 1996 · N636US · Boeing 747251B · Compressor Bleed ValveSDR 9617506614Skin · corrodedDURING P-CHECK, FOUND CORROSION ON THE FUSELAGE SKIN AND INTERNAL DOUBLER/TRIPLER BS 1750 TO 1791, STR 42R TO 43R. REPAIRED SKIN (P/N 65B07002-1) PER EA 66-106554.Jul 31, 1996 · N614US · Boeing 747251B · Fuselage Main, Plate/SkinSDR 9617496614Longeron · corrodedDURING P-CHECK, FOUND CORROSION IN THE LEFT OVERWING LONGERON AT BS 1300. REPAIRED LONGERON (P/N 65B10097-11) PER EA 66-101907.Jul 31, 1996 · N614US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9616046636Battery Pack · dischargedDURING LINE CHECK, FOUND THE OVERWING EMERGENCY LIGHTS AT DOOR 4L INOPERATIVE. REPLACED BATTERY PACK. OPERATIONAL CHECK GOOD.Jul 27, 1996 · N636US · Boeing 747251B · Emergency LightingSDR 9616576614Fitting · crackedDURING P-CHECK, FOUND A CRACK IN THE CENTER WING VERTICAL SUPPORT FRAME UPPER TIE FITTING BS 1000 AT LBL 35. REPLACED FITTING PER SA 5715-01014-3.Jul 25, 1996 · N614US · Boeing 747251B · Wing Miscellaneous StructureSDR 9616026615Fuel Pump · failedDURING DESCENT, THE NR 4 ENGINE ROLLED BACK TO IDLE WITH AUTO THROTTLE ON. CREW DECLARED AN EMERGENCY AS PRECAUTION AND MADE A THREE-ENGINE LANDING WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE FUEL FLOW PUMP AND FUEL CONTROL. PERFORMED LEAK AND OPERATJul 25, 1996 · N615US · Boeing 747251B · Engine Fuel PumpSDR 9616726614Frame · crackedDURING P-CHECK, FOUND A 1.5 INCH CRACK IN THE FS 500 FRAME WEB AND WEB DOUBLER BELOW STR 12R. REPAIRED FRAME (P/N 65B01718-520) AND DOUBLER (P/N 65B01718-162) PER EA 66-106540.Jul 20, 1996 · N614US · Boeing 747251B · Fuselage Main, FrameSDR 9615096631Gyro · malfunctionedDURING CRUISE, THE AIRCRAFT EXPERIENCED A SUDDEN ROLL AND PITCH UP CONDITION. AIRCRAFT DIVERTED TO ANC AND LANDED WITHOUT FURTHER INCIDENT. REPLACED THE NR 1 INERTIAL NAVIGATION SYSTEM COMPUTER AND AUTO-PILOT ROLL COMPUTER. OPERATIONAL CHECK GOOD.Jul 13, 1996 · N631US · Boeing 747251B · Autopilot ComputerSDR 9615086637Compressor · stalledDURING CLIMB, THE NR 2 ENGINE EXPERIENCED A COMPRESSOR STALL. WITH NO SPIKE IN EGT AND ALL ENGINE INDICATIONS BEING NORMAL, CREW FOLLOWED COM PROCEDURES AND CONTINUED TO AMS WITHOUT FURTHER INCIDENT. BORESCOPE INSPECTION OF HIGH PRESSURE COMPRESSOR REVEALED Jul 13, 1996 · N637US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9614526622Power Supply · inoperativeDURING LINE CHECK, FOUND LEFT OVERWING EMERGENCY LIGHTS INOPERATIVE. REPLACED POWER SUPPLY, OPERATIONAL CHECK GOOD.Jul 2, 1996 · N622US · Boeing 747251B · Emergency LightingSDR 9614326627Power Supply · inoperativeDURING LINE CHECK, FOUND C-ZONE EMERGENCY FLOOR TRACK LIGHTS INOPERATIVE. REPLACED POWER SUPPLY AND BATTERY PACK, OPERATIONAL CHECK GOOD.Jul 1, 1996 · N627US · Boeing 747251B · Emergency LightingSDR 9614476612Longeron · corrodedDURING P-CHECK, FOUND CORROSION ON STR 49L FROM BS 1851 TO 1853. REPAIRED STRINGER PER EA 66-101889.Jun 25, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9614776612Longeron · corrodedDURING P-CHECK, FOUND CORROSION ON STR 51R AT BS 2163. REPAIRED STRINGER (P/N 65B04369-176) PER EA 66-101900.Jun 24, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9613706632Adc · malfunctionedDURING CLIMB, BOTH CAPTAIN'S AND FIRST OFFICER'S AIRSPEED INDICATIONS WERE INACCURATE. AIRCRAFT RETURNED TO TPE AND LANDED WITHOUT INCIDENT. REPLACED THE NR 1 AIR DATA COMPUTER, CAPTAIN'S AIRSPEED INDICATOR AND RECONNECTED THE FIRST OFFICER'S AIRSPEED INDICAJun 23, 1996 · N632US · Boeing 747251B · Airspeed/Mach IndicatorSDR 9614466612Longeron · corrodedDURING P-CHECK, FOUND CORROSION ON STR 47L AT BS 1708 AND 1718. REPAIRED STRINGER PER EA 66-101898.Jun 22, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9613756626Battery Pack · dischargedDURING LINE CHECK, FOUND EMERGENCY LIGHTS BY DOORS 1L, 4L, 5L AND 5R INOPERATIVE. REPLACED TWO BATTERY PACKS AND TWO LIGHT ASSEMBLIES, OPERATIONAL CHECK GOOD.Jun 21, 1996 · N626US · Boeing 747251B · Emergency LightingSDR 9614456612Longeron · corrodedDURING P-CHECK, FOUND CORROSION ON STR 50L AT BS 2150 AND 2170. REPAIRED STRINGER (P/N 65B04369-87) PER EA 66-101895.Jun 20, 1996 · N612US · Boeing 747251B · Fuselage Main, Longeron/StringerSDR 9613646627Battery Pack · dischargedDURING LINE CHECK, FOUND ZONE-A EMERGENCY FLOOR TRACK LIGHTING INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK GOOD.Jun 20, 1996 · N627US · Boeing 747251B · Emergency LightingSDR 9614416612Bulkhead · corrodedDURING P-CHECK, FOUND CORROSION ON THE AFT PRESSURE BULKHEAD LOWER FACEPLATE AT BS 2360, LBL 11. REPAIRED FACEPLATE, EXTRUDED Y-SECTION, (P/N 65B02634-13) PER EA 66-101888.Jun 18, 1996 · N612US · Boeing 747251B · Fuselage Main, BulkheadSDR 9613336614Compressor · stalledTHE NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL AND FLAMES OUT THE TAILPIPE. BOTH EGT AND EPR PEGGED FOR 5 SECONDS. THE NR 1 ENGINE WAS SHUT DOWN AND THE FLIGHT DIVERTED TO ANC WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND METAL IN THE NR 1 ENGINE TAILPIPE. AJun 17, 1996 · N614US · Boeing 747251B · Turbine Engine Compressor SectionSDR 9614406612Spar · corrodedDURING P-CHECK, FOUND CORROSION ON THE RIGHT WING FORWARD SPAR UPPER CHORD FS 1517. REPAIRED CHORD (P/N 65B10849-2) PER EA 66-101949.Jun 16, 1996 · N612US · Boeing 747251B · Wing SparSDR 9613376624Terminal Block · failedDURING CLIMB, THE RED NOSE LANDING GEAR LIGHT ILLUMINATED AFTER LANDING GEAR RETRACTION. RECYCLED LANDING GEAR AND LIGHT EXTINGUISHED. AIRCRAFT CONTINUED TO MSP AND LANDED WITHOUT INCIDENT. REPAIRED WIRE AT TERMINAL STUD AND REPLACED TERMINAL BLOCK. OPERATJun 15, 1996 · N624US · Boeing 747251B · Landing Gear Position and WarningSDR 9614396612Bulkhead · crackedDURING P-CHECK, FOUND A CRACK AND CORROSION ON THE CANTED PRESSURE BULKHEAD DOUBLER AT BS 1251, LBL 84. REPAIRED DOUBLER (P/N 65B07992-105) PER EA 66-101891.Jun 14, 1996 · N612US · Boeing 747251B · Fuselage Main, BulkheadSDR 9613126613Wire · failedDURING LINE CHECK, FOUND DOOR SLIDE AND OVERHEAD EMERGENCY LIGHTS DEFECTIVE AT DOOR 1R. REPAIRED WIRE, OPERATIONAL CHECK GOOD.Jun 14, 1996 · N613US · Boeing 747251B · Light System WiringSDR 9613086638Battery Pack · dischargedDURING LINE CHECK, FOUND A ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACK, OPERATIONAL CHECK GOOD.Jun 13, 1996 · N638US · Boeing 747251B · Emergency LightingSDR 9612976612Fitting · corrodedDURING PERIODIC CHECK, FOUND CORROSION ON THE UPPER SURFACE OF THE LOWER LAV PAN BS 2300 TO 2320, RBL 10 TO 20. REPLACED DOUBLER FITTING (P/N 65B04359-1) PER SRM 51-10-01, PAR 9 PG 18.Jun 9, 1996 · N612US · Boeing 747251B · Fuselage Miscellaneous StructureSDR 9614376612Floor Beam · corrodedDURING P-CHECK, FOUND CORROSION ON THE BS 1740 FLOOR BEAM UPPER CHORD AT RBL 74. REPAIRED CHORD (P/N 65B06370-22) PER EA 66-101951.Jun 3, 1996 · N612US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9614366612Floor Beam · corrodedDURING P-CHECK, FOUND CORROSION ON THE BS 1720 FLOOR BEAM UPPER CHORD AT RBL 87. REPAIRED CHORD (P/N 65B06360-63) PER EA 66-101950.Jun 3, 1996 · N612US · Boeing 747251B · Fuselage Main, Floor BeamSDR 9612576628Fitting · corrodedDURING P-CHECK, FOUND CORROSION IN THE RIGHT WING FLAP NR 6 CARRIAGE FITTING BEARING BORE. REPLACED FITTING (P/N 65B08411-6).Jun 1, 1996 · N628US · Boeing 747251B · Wing, Control Surface Attach FittingsSDR 9612066628Battery Pack · dischargedDURING LINE CHECK, FOUND FOUR RIGHT OVERWING, TWO LEFT OVERWING AND E ZONE FLOOR PATH EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY PACKS, OPERATIONAL CHECK GOOD.Jun 1, 1996 · N628US · Boeing 747251B · Emergency LightingSDR 9611726628Fitting · corrodedDURING P-CHECK, FOUND CORROSION IN THE RIGHT WING TRAILING EDGE FLAP NR 6 CARRIAGE FITTING BEARING BORE. REPLACED FITTING (P/N 65B 08411-6).May 23, 1996 · N628US · Boeing 747251B · Wing, Control Surface Attach FittingsSDR 9612716628Seat Track · corrodedDURING P-CHECK, FOUND CORROSION IN THE RBL 11 SEAT TRACK AT BS 662. REPAIRED TRACK PER EA 66-101940.May 22, 1996 · N628US · Boeing 747251B · Fuselage, Seat/Cargo Attach FittingsSDR 9612706628Seat Track · crackedDURING P-CHECK, FOUND A CRACK IN THE RBL 96 SEAT TRACK AT BS 1241. REPAIRED TRACK (P/N 65B 13698-1) PER EA 66-101938.May 20, 1996 · N628US · Boeing 747251B · Fuselage, Seat/Cargo Attach Fittings
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