Boeing 747-422

Service difficulty reports · 9,801

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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 = '747422'
  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 98UAL900270Control Cable · wornMULTICONDUCTOR CABLE AT AREA WHERE ROUTED THROUGH PYLON, HAS BRAIDED JACKET, INSULATION OVER WIRES, AND RUBBER PAD ON CABLE CLAMP IS EATEN AWAY BY SURFACE VIBRATION OR FOREIGN OBJECT DAMAGE FROM SUBSTANCES IN AIR BLOWING OVER CABLE. NR 2 AND 3 PYLONS ARE AFFEJun 9, 1998 · N185UA · Boeing 747422 · Fuel Controlling SystemSDR 99ZZZX550Seat Track · brokenMAIN DECK SEAT TRACK UPPER T-CAP BROKEN AT LBL 98.58 BETWEEN STATIONS 998 AND 1000. CIRCUMSTANCES UNKNOWN. REPAIRED PER MOBILE AEROSPACE ENGINEERING. E.A. NR 47-5346-13-AB341 - 5-28-98. ACFT TT: 33,618.54 HOURS. CYCLES: 4,064.Jun 1, 1998 · N180UA · Boeing 747422 · Fuselage, Seat/Cargo Attach FittingsSDR 98UAL900220Blade · failedNR 1 ENGINE FAILED DEPARTING LAX CLIMBING THRU 13,000 FT. FLT ATTENDANT REPORTED SPARKS COMING FROM FRONT AND REAR OF ENGINE. ZERO OIL PRESSURE, ZERO N2, HIGH EGT. ENG FIRE CHECKLIST ACCOMPLISHED. BOTH BOTTLES FIRED. DUMPED FUEL. OVERWEIGHT LANDING IN LAMay 24, 1998 · N191UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 98UAL900191Engine · stalledAFTER FIRST 3 ENGINES WERE STARTED NR 1 ENGINE DID AN AUTO SHUTDOWN. *S/D* FLIGHT DATA RECORDER INFORMATION INDICATES THE NUMBER 1 ENGINE EXPERIENCED AN OFF-IDLE STALL WHICH PREVENTED THE ENGINE FROM REACHING STABILIZED IDLE. THE ENGINE SLOWLY DECELERATED TMay 11, 1998 · N179UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 98UAL900139Power Supply · inoperativeEMERGENCY EXIT LIGHTS INTERMITTENT ROWS 51 TO 59 LEFT HAND SIDE E-ZONE. *S/D* DEFECTIVE BATTERY PACK WAS REMOVED AND REPLACED.Apr 6, 1998 · N174UA · Boeing 747422 · Emergency LightingSDR 98UAL900124Reverser Light · illuminatedON TAKEOFF AT 138 KTS, AMBER NR 2 REVERSER CAME ON. ABORTED TAKEOFF.Mar 26, 1998 · N194UA · Boeing 747422 · Engine Thrust ReverserSDR 98UAL900130Slide · damagedDURING THE SHOP OVERHAUL OF A SLIDE/RAFT REMOVED FOR TIME EXPIRATION THE RIGHT HAND GIRT ATTACHMENT, PART NUMBER 5A22883-2, WAS FOUND TO BE TEARING LOOSE FROM THE BOTTOM TUBE. SLIDE/RAFT SENT TO VENDOR FOR REPAIR.Mar 23, 1998 · N177UA · Boeing 747422 · Escape SlideSDR 98UAL900096Bolt · missingLEFT SIDE INBOARD FLAP FAIRING WAS DANGLING AFTER FLAP RETRACTION. *S/D* THE NUT AND BOLT COMBINATION THAT SECURES THE CANOE FAIRING DRIVE ROD TO THE INBOARD MIDFLAP DISLODGED. ONCE THE BOLT AND NUT DISLODGED, THE FAIRING WAS ABLE TO DROP DOWN. THE CORRECTFeb 27, 1998 · N104UA · Boeing 747422 · Trailing Edge FlapsSDR 98UAL900042Light · inoperativeLEFT HALF OF CROSS ASILE 4 AND SEVERAL ROWS AFT ON RIGHT SIDE EEL LIGHTS INOP. REPLACED LEFT HALF OF CROSS ASILE EEL LIGHT STRIP, OPS CK GOOD.Jan 29, 1998 · N176UA · Boeing 747422 · Emergency LightingSDR 98UAL900040Fan · failedELECTRICAL SMELL AND SMOKE IN CABIN CONCENTRATED BETWEEN GALLEY 402 AND LAV 111-112. LEFT AND RIGHT UTILITY BUSES TRIPPED. SMOKE REMOVAL PROCEDURE, CLEARED CABIN. *S/D* UPPER NR 2 RECIRCULATION FAN BEARING FAILURE. REPLACED FAN.Jan 29, 1998 · N174UA · Boeing 747422 · Air Distribution FanSDR 98UAL900038Retract Mech · out of sequenceON TAKEOFF, GEAR DOOR MESSAGE APPEARED ON EICAS. AFTER BECOMING AIRBORNE, LANDING GEAR HANDLE WAS RAISED AND GEAR CAME UP BUT MESSAGE REMAINED ON. LOWERED GEAR, BURNED DOWN FUEL, AND LANDED UNEVENTFULLY. *S/D* GEAR DOORS FAILED TO CLOSE DUE TO AN OUT OF SEJan 28, 1998 · N175UA · Boeing 747422 · Landing Gear Door Retract SectionSDR 98UAL900003Engine · bird strikeON TAKEOFF ROLL CREW REPORTED BIRD STRIKE AND ABORTED TAKEOFF AT 130 KNOTS. *S/D* FOUND EVIDENCE OF BIRD STRIKE ON NR 4 ENGINE. INSPECTED ENGINE NO DAMAGE FOUND.Jan 6, 1998 · N188UA · Boeing 747422 · Engine (Turbine/Turboprop)SDR 97UAL900853Compressor · deterioratedCOMPRESSOR STALL ON TAKEOFF, SUSPECT NUMBER 1 ENGINE. ENGINE PARAMETERS APPEARED NORMAL. MAX EGT NOT NOTED. *S/D* ENGINE SURGED ON TAKEOFF DUE TO GENERAL DETERIORATION OF THE HIGH PRESSURE COMPRESSOR AND EXCESSIVE BLADE TIP CLEARANCES. REPLACED ENGINE.Dec 2, 1997 · N176UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 97UAL900799Light · damagedEMERGENCY EXIT LIGHTS DAMAGED ROW 22 LEFT. CYCLED EMERGENCY LIGHT SWITCH, OP CHECKED GOOD.Oct 25, 1997 · N197UA · Boeing 747422 · Emergency LightingSDR 97UAL900717Pma · failedWITH ALL ENGINES IN EEC ALT MODE CRUISE, NR 4 ENGINE FLAMED OUT. RESTARTED ENGINE, HOWEVER ENGINE SURGED UNCONTROLLABLY. DID NOT SHUT DOWN BUT THROTTLED BACK (ENGINE OK ALT IDLE). RETURNED TO NTR. PERMANENT MAGNET ALTERNATOR (PMA) FAILURE. INSTALLED NEW ALSep 18, 1997 · N189UA · Boeing 747422 · Fuel Control/Turbine EnginesSDR 97UAL900714Battery Pack · dischargedEMERGENCY EEL LIGHTS FLICKERING B-ZONE. REPLACED EMERGENCY LIGHT BATTERY PACK AT DOOR 2 LEFT, OPS CHECKED OK.Sep 18, 1997 · N179UA · Boeing 747422 · Emergency LightingSDR 97UAL900713Battery Pack · dischargedEEL LIGHTS FLICKERING. REPLACED BATTERY PACK AND POWER SUPPLY M7925, OPS CHECKED OK.Sep 17, 1997 · N179UA · Boeing 747422 · Emergency LightingSDR 97UAL900694Light · inoperativeEEL FLOOR LIGHT INOP AT 2 RIGHT. REPLACED EEL LIGHT ASSEMBLY, CHECKED OK.Sep 9, 1997 · N74UA · Boeing 747422 · Emergency LightingSDR 97UAL900658Wire · looseEEL LIGHT IS INOP BY JUMP SEAT AT DOOR 4 LH. CONNECTED LEAD IN STRIP, OPS CHECKED GOOD.Sep 2, 1997 · N182UA · Boeing 747422 · Light System WiringSDR 97UAL900589Warning Syst · activatedFLAPS WARNING CAME ON WITH FULL POWER ON TAKEOFF. ABORTED TAKEOFF AT 100 KTS. *S/D* COULD NOT DUPLICATE. RECYCLED FMC CIRCUIT BREAKERS, PREFORMED GROUND TEST OF FMC'S, FCC L, R, C GROUND TEST AND TAKEOFF WARNING CONFIDENCE TEST. ALL SYSTEMS TESTED OK.Aug 2, 1997 · N193UA · Boeing 747422 · Central WarningSDR 97UAL900578Connector · looseAFT GALLEY EEL STRIP INOP. RECONNECTED FEEDER STRIP, OPS CHECKED OK.Jul 27, 1997 · N185UA · Boeing 747422 · Emergency LightingSDR 97UAL900577Bulb · failedUPPER DECK EMERGENCY LIGHTS OVER STAIRS INOP. REPLACED 2 LAMPS, OPS CHECKED OK.Jul 25, 1997 · N183UA · Boeing 747422 · Emergency LightingSDR 97UAL900529Connector · failedDOOR NR 2 CROSS AISLE EMERGENCY EEL LIGHT INOP. *S/D* REPLACED CONNECTOR.Jul 12, 1997 · N190UA · Boeing 747422 · Emergency LightingSDR 97UAL900494Mechanism · bentDOOR 3L WARNING LIGHT ON DURING TAXI. *S/D* RELATCHED AND CLOSED DOOR CHECKED OK.Jun 28, 1997 · N171UA · Boeing 747422 · Passenger/Crew DoorsSDR 97UAL900447Relay · failedIMMEDIATELY AFTER LIFTOFF, RECEIVED NR 4 ENGINE THRUST REVERSER EICAS MESSAGE. AIRCRAFT RETURNED TO FIELD. *S/D* EICAS MESSAGE WAS FIXED BY REPLACING 4 RELAYS IN THE INDICATION CIRCUIT. THE RELAY NUMBERS FROM THE WIRING SCHEMATIC 78-36-04 PAGE 101 SHEET 1 Jun 12, 1997 · N192UA · Boeing 747422 · Engine Thrust ReverserSDR 97UAL900395Wire · failedEMERGENCY ESCAPE LIGHTING INOP BETWEEN ROWS 25H TO 32H. REPLACED EMERGENCY ESCAPE LIGHTING FEEDER CABLE. OPERATION CHECKS NORMAL.May 26, 1997 · N190UA · Boeing 747422 · Light System WiringSDR 97UAL900364Valve Body · brokenUNWANTED FUEL TRANSFER. *S/D* THE SHAFTS TO BOTH JETTISON TRANSFER VALVES IN THE CENTER TANK WERE BROKEN. DUE TO PRESSURE IN THE MANIFOLD, THE VALVE BODY WAS FREE TO FLOP OPEN AND CAUSED THE FUEL IMBALANCE PROBLEM. REPLACED TRANSFER VALVES, OPERATION CHECKMay 10, 1997 · N174UA · Boeing 747422 · Aircraft Fuel Distribution SystemSDR 97UAL900365Engine · failedTAKEOFF ABORTED DUE TO NR 3 ENGINE COMPRESSOR STALL. *S/D* ENGINE SURGED ON TAKEOFF DUE TO GENERAL DETERIORATION OF THE HIGH PRESSURE COMPRESSOR AND EXCESSIVE BLADE TIP CLEARANCE. REMOVED AND REPLACED ENGINE.May 8, 1997 · N184UA · Boeing 747422 · Engine (Turbine/Turboprop)SDR 97UAL900315Power Supply · failedUPPER DECK EMERGENCY EXIT LIGHTS NEAR STAIRS INTERMITTENT. REPLACED EMERGENCY EXIT LIGHT POWER SUPPLY. OPERATION CHECKS NORMAL.Apr 20, 1997 · N172UA · Boeing 747422 · Emergency LightingSDR 97UAL900286Smoke Detector · malfunctionedSMOKE ALARM - DETECTOR DID NOT ACTIVATE WITH FIRE AND SMOKE IN GARBAGE BIN AT 5L LAVATORY. SUPPLEMENTAL DATA UPDATE SMOKE DETECTOR MAY OR MAY NOT ACTIVATE DEPENDENT ON THE SEVERITY OF THE SMOKE. FIRE EXTINGUISHER DID NOT ACTIVATE WHICH INDICATES HEAT FACTOR WAApr 14, 1997 · N177UA · Boeing 747422 · Smoke DetectionSDR 97UAL900251Generator · disintegratedAPU GENERATOR DISINTEGRATED, DAMAGING AFT SHEET METAL. DAMAGE ACCOMPANIED WITH FIRE. REPLACED APU AND AFFECTED SKIN AND FRAMES, RT DOOR, APU HARNESS, INLET DUCTING, COOLING DUCTING, AND POWER FEEDERS WERE REPLACED. SUBMITTER STATES, SUSPECT GENERATOR SENT TMar 31, 1997 · N179UA · Boeing 747422 · AC Generator-AlternatorSDR 97UAL900233Seal · missingAIRCRAFT DIVERTED TO SEA DUE TO A NR 3 ENGINE OIL QUANTITY PROBLEM. *S/D* FUEL PUMP DRIVE PAD ON ENGINE ACCESSORY GEARBOX LEAKING OIL. REPLACED GEARBOX DRIVE PAD CARBON SEAL, OPERATION CHECKS NORMAL.Mar 25, 1997 · N171UA · Boeing 747422 · Turbine Engine Oil SystemSDR 97UAL900216Closeout Panel · crackedA 3 VERTICAL CRACK WAS FOUND IN A FIBERGLASS CLOSEOUT PANEL AT BS 1241 CANTED PRESSURE DECK AREA IN RT WING WHEEL WELL. THE CRACK RUNS AMONG THE THREE UPPERMOST FASTENERS AT THE INBOARD EDGE VERTICAL ATTACHMENT OF THE PANEL AT RBL 98.58. THE CRACK WAS FOUNDMar 14, 1997 · N193UA · Boeing 747422 · Wing Miscellaneous StructureSDR 97UAL900198Light · disconnectedEMERGENCY EXIT LIGHTING INOP AT ROW 20AB. *S/D* RECONNECTED LIGHT AT LEAD IN, OPERATION CHECKS NORMAL.Mar 12, 1997 · N190UA · Boeing 747422 · Emergency LightingSDR 97UAL900237Cable Splice · damaged3/8/97 MECHANIC DISCOVERED HEAT DAMAGED NR 1 APU GENERATOR FEEDER CABLE SPLICES. SPLICES INSTALLED AT FACTORY. DURING C-CHECK, SPLICES COMMON TO APU GENERATOR NR 2 WERE FOUND TO HAVE SIMILAR DAMAGE. DAMAGE WAS IDENTIFIED BY SPLIT INSULATION AND MELTED SPACEMar 8, 1997 · N173UA · Boeing 747422 · AC Generation SystemSDR 97UAL900161Inflation Hose · looseSLIDE/RAFT REMOVED FOR TIME CONTROLLED OVERHAUL. INFLATION HOSES FOUND LOOSE AT ASPIRATOR CONNECTION. SLIDE MAY HAVE NOT INFLATED FULLY IF DEPLOYED. INFLATION HOSES TIGHTENED. THIS IS SECOND INCIDENT OF LOOSE INFLATION HOSES. UNITED WILL CONDUCT A SAMPLEFeb 26, 1997 · N186UA · Boeing 747422 · Escape SlideSDR 97UAL900164Inflate Tube · tornSLIDE/RAFT REMOVED DUE TO INADVERTENT DEPLOYMENT. DURING DEPLOYMENT, SLIDE/RAFT STRUCK OBJECT CAUSING TEARING OF THE CENTER INFLATION TUBE AND CROSS TUBE. SLIDE RAFT REPAIRED AND OVERHAULED BY B.F. GOODRICH, ONTARIO. MAJOR REPAIR APPROVED BY THE LOS ANGELESFeb 25, 1997 · N176UA · Boeing 747422 · Escape SlideSDR 97UAL900135Hose · looseSLIDE REMOVED FROM THE AIRCRAFT DUE TO LOW BOTTLE PRESSURE. DURING BOTTLE REPLACEMENT, INFLATION HOSES WERE LOOSE AT THE ASPIRATOR CONNECTION. SLIDE MAY HAVE NOT DEPLOYED. TIGHTENED HOSES. CONTACTED BF GOODRICH WHICH LAST OVERHAULED SLIDE.Feb 12, 1997 · N191UA · Boeing 747422 · Escape SlideSDR 97UAL900040Switch · water damageRETURNED TO FIELD DUE TO DOOR 1L WARNING LIGHT. *S/D* DOOR INDICATION SWITCH WAS REPLACED WITH REDESIGNED SWITCH, OPERATION CHECKS NORMAL.Jan 15, 1997 · N171UA · Boeing 747422 · Door Warning SystemSDR 97UAL900066Light · inoperativeEMERGENCY EXIT LIGHTS ARE INOP ON RIGHT SIDE FROM ROW 22 TO ROW 42. REPLACED BATTERY PACK.Jan 5, 1997 · N190UA · Boeing 747422 · Emergency LightingSDR 96UAL900905Compressor · stalledAFTER TAKEOFF, NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL AND HIGH EGT. SHUT DOWN ENGINE, DUMPED FUEL AND RETURNED TO FIELD. *S/D* ENGINE REPLACED, NO VISIBLE DAMAGE FOUND, NO CONTROL SYSTEM FAULTS. COMPRESSOR STALL ATTRIBUTED TO LOW N2 COMPRESSOR PERFORMANov 27, 1996 · N190UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 96UAL900900Compressor · stalledNR 3 ENGINE STALLED ON TAKEOFF JUST AFTER LIFTOFF. A/C RETURNED TO FIELD. NO VISIBLE DAMAGE. NO CONTROL SYSTEM FAULTS. SURGE IS ATTRIBUTED TO POOR N2 COMPRESSOR PERFORMANCE. ENGINE TO BE REFURBISHED. ENGINE REPLACED.Nov 25, 1996 · N186UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 96UAL900878Slide · failed testSLIDE REMOVED FOR INADVERTANT DEPLOYMENT. DURING OVERHAUL, SLIDE FAILED AIR RETENTION TEST DUE TO POROSITY. SCRAPPED SLIDE AND INSTALLED NEW SLIDE.Nov 19, 1996 · N184UA · Boeing 747422 · Escape SlideSDR 96UAL900824Battery Pack · dischargedUPPER DECK LEFT HAND ESCAPE DOOR BATTERY TEST INOP. REPLACED BATTERY PACK.Oct 21, 1996 · N185UA · Boeing 747422 · Emergency LightingSDR 96UAL900787Bearing · failedNR 2 ENGINE FLAME-OUT. *S/D* ANGLE GEARBOX AB-1 BEARING FAILED. ENGINE REPLACED.Oct 8, 1996 · N178UA · Boeing 747422 · Turbine Engine Accessory DriveSDR 96UAL900783Skin · crackedRIGHT WING FIXED LEADING EDGE UPPER SKIN PANEL AT APPROXIMATELY WBL STA 821 TO STA 908 BETWEEN THE NR 3 AND NR 4 ENGINES WAS FOUND CRACKED. THE CRACK MEASURED 44 INCHES LONG IN THE CHORD WISE DIRECTION. CRACK WAS IN OUTER LAYER OF COMPOSITE PANEL ONLY. INTEOct 8, 1996 · N176UA · Boeing 747422 · Wing, Plate/SkinSDR 96UAL900684Pma · failedAT CRUISE, NR 4 ENGINE LOST THRUST AND FLAMED OUT. JUST PRIOR TO FLAME-OUT, RECEIVED EEC MODE EICAS MESSAGE. PERMANENT MAGNET ALTERNATOR (PMA) FAILED IN BOTH CHANNELS. REPLACED PMA.Sep 5, 1996 · N188UA · Boeing 747422 · Fuel Control/Turbine EnginesSDR 96UAL900675Guide Arm · out of adjustAFTER TAKEOFF DOOR 4L INDICATED OPEN. RETURNED TO FIELD. *S/D* DOOR OUT OF ADJUSTMENT CAUSING A FALSE LATCH INDICATION. ADJUSTED DOOR GUIDE ARM.Aug 30, 1996 · N192UA · Boeing 747422 · Emergency ExitsSDR 96UAL900652Blade · failedWHILE IN CRUISE AT FL 370 AND EPR 1.21, STALL CONDITION DEVELOPED. REDUCED THROTTLE AND CONDITION CEASED FOR SHORT TIME, HOWEVER, ENGINE THEN STALLED REPEATEDLY. ENGINE SHUT DOWN. HIGH PRESSURE COMPRESSOR STAGE 5 BLADE FAILED. REPLACED ENGINE. PART TOTAL Aug 23, 1996 · N186UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 96UAL900640Panel · crackedLEFT WING LEADING EDGE FIBERGLASS PANEL WAS FOUND WITH A 35 INCH CRACK. CRACK HAD PROPAGATED FROM AN EXISTING 18 INCH CRACK THAT WAS PREVIOUSLY REPAIRED. PANEL IS LOCATED INBOARD OF THE NR 2 ENGINE. ACCOMPLISHED REPAIR PER GN-MM.Aug 19, 1996 · N186UA · Boeing 747422 · Wing, Plate/Skin
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