Boeing 747-422

Service difficulty reports · 9,801

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 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 2005UALA00196Girt Bar · malfunctionedDOOR 2 RIGHT GIRT BAR WILL NOT ENGAGE WITH THE ARM SWITCH, WILL ENGAGE BY MAINTENANCE ONLY. CAUSE IS NOT FULLY KNOWN AT THIS TIME. MAY BE CAUSED BY IMPROPER HANDLING OF SLIDE DURING INSTALLATION WHICH RESULTED IN SLIDE PACK BECOMING UNRAVELED AND INTERFERRFeb 27, 2005 · N176UA · Boeing 747422 · Escape SlideSDR 2005UALA00194O-Ring · defectiveLOW BOTTLE PRESSURE IN ONE CYLINDER. REPLACED DEFECTIVE O-RING IN REGULATOR.Feb 24, 2005 · N193UA · Boeing 747422 · Escape SlideSDR 2005UALA00130Door · noisyAFTER TAKEOFF, LOUD NOISE FROM DOOR 4L. ALSO, EICAS MESSAGE FOR DOOR. EXAMINATION OF THE DOOR DID NOT REVEAL ANY DISCREPANCIES. THE DOOR WAS OPERATED SEVERAL TIMES EACH TIME SATISFACTORILY.Feb 8, 2005 · N174UA · Boeing 747422 · Passenger/Crew DoorsSDR 2005UALA00116Structure · crackedLOWER AFT CORNER OF FWD CARGO DOOR CRACKED. DAMAGE WAS CAUSED BY IMPROPER OPERATION OF THE DOOR. DOOR WAS LOWERED ONTO CONTAINER LOADER. DAMAGED SKIN WAS REMOVED, AND THE DOOR WAS REPAIRED.Feb 1, 2005 · N107UA · Boeing 747422 · Cargo/Baggage DoorsSDR 2005UALA00112Warning Light · false indicationFIRE CARGO FWD MSG ON UPPER EICAS ON FINAL APPROACH. FWD CARGO FIRE BOTTLES WERE DISCHARGED ON ARRIVAL. A CHECK OF THE FORWARD CARGO PIT AFTER LANDING REVEALED NO EVIDENCE OF A FIRE. THE SMOKE DETECTORS WERE COVERED WITH MOISTURE. THIS IS CONSISTENT WITH SJan 31, 2005 · N178UA · Boeing 747422 · Fire DetectionSDR 2005UALA00064Light · inoperativeMOUNTED EEL LIGHT AT SEATS 6AB, 7AB, AND 8AB ARE INOP. REPLACED POWER SUPPLY M6003, TEST OK.Jan 16, 2005 · N196UA · Boeing 747422 · Emergency LightingSDR 2005UALA00024Door · brokenCHRONIC WRITE UP BANGING IN FLOOR BEHIND DOOR 2L, 5 ROWS BACK ALSO STOP WITH NR 2 PACK OFF. THE NR 2 AIR CONDITIONING PACK INLET DOOR WAS FOUND BROKEN. THE DOOR WAS REPLACED AND THE AIRCRAFT HAS HAD NO FURTHER PROBLEMS.Jan 5, 2005 · N171UA · Boeing 747422 · Air Distribution SystemSDR 2005UALA00023Fan · failedELECTRICAL SMELL IN CABIN. SMELL DISSIPATED WITH BOTH RECIRC FANS TURNED OFF. THE UNDER FLOOR LEFT RECIRCULATION FAN MOTOR FAILED. THE FAN WAS REPLACED AND THE AIRCRAFT HAS HAD NO FURTHER PROBLEMS.Jan 4, 2005 · N198UA · Boeing 747422 · Air Distribution FanSDR 2004UALA01253Fan · failedELEC UTIL BUS R EICAS ADVISORY MESSAGE DISPLAYED. UTILITY BUSS 3 (OR 4) OR GALLEY BUSS 3 (OR 4) DOES NOT HAVE ELECTRICAL POWER ON IT. AIRPLANE IS NOT IN LOAD SHED CONDITION. THE LOWER LEFT RECIRCULATION FAN BEARINGS FAILED. THE FAN WAS REPLACED AND THE AIRCDec 27, 2004 · N198UA · Boeing 747422 · Air Distribution FanSDR 2004UALA01248Frame · dentedDENT WAS FOUND ON THE UPPER I/B T-CHORD ON FRAME AT STA 900 APPROX LBL 20 IN THE FWD HORIZONTAL FLANGE OF THE CHORD. REPAIR ACCOMPLISHED.Dec 23, 2004 · N178UA · Boeing 747422 · Fuselage Main, FrameSDR 2004UALA01247Floorbeam · dentedUPPER T-CHORD FWD FLANGE OF AFT CARGO COMPARTMENT FLOORBEAM AT STA 1760, LBL 51 WAS FOUND DENTED. REPAIR ACCOMPLISHED.Dec 23, 2004 · N178UA · Boeing 747422 · Fuselage Main, Floor BeamSDR 2004UALA01226Aspirator · misinstalledCRACKED UPPER TUBE ASPIRATOR. ASPIRATOR DAMAGED DUE TO IMPROPER PACKING DURING PREVIOUS OVERHAUL. REPLACED ASPIRATOR.Dec 16, 2004 · N197UA · Boeing 747422 · Escape SlideSDR 2004UALA01225Power Supply · dischargedAFT EMERGENCY EXIT SIGN INOP. REPLACED CHARGER AND BATTERY PACK TO DM5934 CONNECTOR.Dec 16, 2004 · N120UA · Boeing 747422 · Emergency LightingSDR 2004UALA01215Fitting · leakingLOW BOTTLE PRESSURE. CHARGE FILL FITTING LEAKING. REPLACED BOTTLE AND VALVE.Dec 14, 2004 · N122UA · Boeing 747422 · Escape SlideSDR 2004UALA01204Power Supply · inoperativeFLASHING EMERGENCY EXIT LIGHTS UPPER DECK FWD OF EXIT DOORS INOP. REPLACED BATTERY PACK FOR LIGHTS.Dec 10, 2004 · N119UA · Boeing 747422 · Emergency LightingSDR 2004UALA01189Floorbeam · dentedAFT PIT FLOOR SUPPORT STRUCTURE AT STA 1800 HAS DENT AT RBL 22.0. CARGO OPERATIONS PERIODICALLY CAUSES STRUCTURAL DAMAGE IN THE SUPPORT FRAMES. STANDARD REPAIR.Dec 6, 2004 · N198UA · Boeing 747422 · Fuselage Main, Floor BeamSDR 2004UALA01188O-Ring · leaking90 DEGREE ELBOW TUBE ASSEMBLY LEADING WHERE FITTING GOES ON TO THE REGULATOR VALVE AS O-RING. DATA THE SDR DESCRIBES AN AIR LEAK AT THE INTERFACE BETWEEN THE SLIDE BOTTLE REGULATOR ASSEMBLY AND THE 90 DEGREE ELBOW TUBE LEADING TO THE PRESSURE GUAGE. REPLACEDDec 3, 2004 · N122UA · Boeing 747422 · Escape SlideSDR 2004UALA01171Sensor · malfunctionedALTIMETER SPLIT 240-250 FT WITH RT SIDE READ LOW. THE RT AOA PROBE IS SUSPECTED TO BE PROVIDING ERRONEOUS INDICATIONS TO THE ADC AT HIGH SPEEDS (0.8 - 0.9 MACH). THE AIR DATA COMPUTER TAKES AOA INPUTS TO MAKE CORRECTIONS TO THE PITOT-STATIC PRESSURES. DURINDec 1, 2004 · N197UA · Boeing 747422 · Stall Warning SystemSDR 2004UALA01139Handle · malfunctionedUPPER DECK DOOR LEFTSIDE ASSIST STRAP NEEDS TO BE ON FORWARD HANDLE NOT AFT. PREVIOUS MAINTENANCE WORK PERFORMED WAS NOT IN ACCORDANCE WITH INSTRUCTIONS IN 747 AIRCRAFT MAINTENANCE MANUAL AND ILLUSTRATED PARTS CATALOG, CAUSING DISCREPANT CONFIGURATION. MIS-LNov 17, 2004 · N181UA · Boeing 747422 · Passenger/Crew DoorsSDR 2004UALA01147Light · looseEMERGENCY EXIT PATH LIGHTING IS FALLING OFF AT SEAT 5E. RESECURED EEL LIGHT.Nov 17, 2004 · N196UA · Boeing 747422 · Emergency LightingSDR 2004UALA01137Skin · dentedFOUND DENT ON RIGHT SIDE OF FUSELAGE APPROXIMATELY 4 FT FORWARD AND 4 FT BELOW DOOR 5R. DENT IS APPROXIMATELY 2.5" WIDE BY 3" HIGH BY .1875" DEEP. *S/D* SKIN REPAIR APPLIED TO CUT OUT DENT. MAJOR REPAIR ACCOMPLISHED WITH SKIN DOUBLER PER SRM.Nov 16, 2004 · N128UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR 2004UALA01113Blades · failedNR 4 ENGINE SHUT DOWN DUE TO HIGH EXHAUST GAS TEMPERATURE & LOSS OF POWER. ENGINE EXPERIENCED SURGE AFTER TAKEOFF. UPON INVESTIGATION FOUND MASSIVE HPC DAMAGE. ROOT CAUSE OF THE FAILURE WAS THE 6TH STAGE BLADE DETACHMENT THIS IS AN INDUSTRY ISSUE WITH THE FRONov 12, 2004 · N174UA · Boeing 747422 · Turbine Engine Compressor SectionSDR 2004UALA01045Wire · chafedFOUND SPARK ON F-C SEAT 3A CEILING PANEL, F-C ALL SIDE WALL LIGHT AND CEILING LIGHT INOPERATIVE. WIRE BUNDLE W2884 WAS FOUND TO HAVE CHAFED AGAINST A STOW BIN CUT OUT, WHICH HAD LOST ITS PROTECTIVE "CATERPILLAR" COVER. THE WIRE HARNESS, FROM DM8470 TO DM8468Nov 11, 2004 · N176UA · Boeing 747422 · Light System WiringSDR 2004UALA01007Receptacle · burnedFLAME CAME OUT OF SERVICE OUTLET AFTER SWITCHING TO EXTERNAL POWER BY DOOR 1L. ELECTRICAL OUTLET AT DOOR 1 LEFT WAS FOUND MELTED. OUTLET WAS REPLACED AND OP CHECKED GOOD. ENGINEERING WILL EVALUATE THE ELECTRICAL OUTLET TO LOOK FOR POSSIBLE DEFECTS. ENGINEOct 30, 2004 · N174UA · Boeing 747422 · Buffet/GalleysSDR 2004UALA00982Warning Light · illuminatedDURING CLIMBOUT (GEAR DOOR) EICAS MESSAGE ILLUMINATED. CAUSE UNDETERMINED. CMC FAULT ISOLATED PROBLEM TO NOSE GEAR DOOR SENSORS. SENSORS CHECKED AND CLEANED AND BITE CHECK ACCOMPLISHED. AT THIS TIME AIRCRAFT HAS ACMULATED 27 ADDITIONAL CYCLES WITH NO FURTHEOct 27, 2004 · N118UA · Boeing 747422 · Landing Gear Position and WarningSDR 2004UALA00942Engine · surgesLOUD BANG ON TAKEOFF. NR 2 ENGINE SURGE. ENGINE EXPERIENCED A GROUP 3 SURGE, ENGINE SELF RECOVERED AND CONTINUED NORMAL OPERATION. ENGINE EXPERIENCED OPEN CLEARANCES IN THE REAR OF THE COMPRESSOR AND SURGED. ENGINE WAS REMOVED FROM SERVICE AND OVERHAULED.Oct 12, 2004 · N117UA · Boeing 747422 · Engine (Turbine/Turboprop)SDR 2004UALA00941Engine · surgesNR 1 ENGINE SURGE ON TAKEOFF. NOTED LOSS THRUST PRIOR TO ROTATION. C5 BLADE FAILED DUE TO FOD IMPACT. ENGINE WAS REMOVED AND OVERHAULED. THE 5TH STAGE COMPRESSOR BLADE WAS FOUND DAMAGED. THE CAUSE OF THE DAMAGE APPEARS TO BE FOD.Oct 12, 2004 · N177UA · Boeing 747422 · Engine (Turbine/Turboprop)SDR 2004UALA00898Blades · failedLOSS OF NR 3 ENGINE. DECLARED EMERGENCY AND DUMPED FUEL. LOSS OF ALL OIL QUANTITY AND NO N1 INDICATION. T1 BLADES BROKEN. IN-FLIGHT SHUTDOWN OF THE #3 ENGINE WAS DUE TO THE FRACTURE OF SEVEN T-1 BLADES THAT CAUSED AN INBALANCE TO THE ENGINE CREATING MASSIVE SOct 6, 2004 · N180UA · Boeing 747422 · Engine (Turbine/Turboprop)SDR 2004UALA00890Fan · failedFLIGHT CREW REPORTED BURNING ODOR FROM THE COCKPIT & FIRST CLASS AREA. THE EQUIPMENT COOLING SUPPLY FAN MOTOR FAILED. REPLACED THE FAN ASSEMBLY.Oct 2, 2004 · N180UA · Boeing 747422 · Air Distribution FanSDR 2004UALA00852Wire · unsecureEEL INOP CROSS AISLE AT LAV 110. *S/D* SECURED WIRE UNDER THE CARPET.Sep 27, 2004 · N177UA · Boeing 747422 · Light System WiringSDR 2004UALA00836Valve · inoperativeNR 2 CROSS FEED VALVE CLOSED AND UNABLE TO USE FUEL IN NR 2 RSV TANK. VALVE BODY COULD NOT BE DRIVEN OPEN BY THE ELECTRICAL ACTUATOR. VALVE BODIES ARE FLOWN TO FAILURE. THERE HAVE BEEN TWO OF THESE VALVE BODIES REPLACED IN THE LAST 12 MONTHS WITH AN MTBUR OSep 9, 2004 · N182UA · Boeing 747422 · Aircraft Fuel Distribution SystemSDR 2004UALA00818Hanger Assy · corrodedNR 3 ENGINE AFT MOUNT HANGER PITTED AROUND BOLT HOLE I/B SIDE & O/B SIDE. NR 3 ENGINE AFT MOUNT REPLACED.Aug 31, 2004 · N107UA · Boeing 747422 · Engine Mount SectionSDR 2004UALA00817Fitting · crackedRT WING OUTBOARD AILERON 2ND FROM OUTBD HINGE FITTING CRACKED THRU LWR AFT FASTENER LOWER AREA. *S/D* MAJOR REPAIR ACCOMPLISHED. REMOVED AND REPLACED FITTING.Aug 31, 2004 · N107UA · Boeing 747422 · Wing, Control Surface Attach FittingsSDR 2004UALA00816Fastener · spinningRT WING UPPER SURFACE ENG NR 4 NACELLE UPPER LINK WING FITTING HAS 1 SPINNING FASTENER WS 1168. FASTENER REMOVED. HFEC OF HOLE, NO DEFECTS NOTED. INSPECTION OF STACK UP ACCOMPLISHED WITH NO DEFECTS NOTED. BOLT REINSTALLED WITH RETAINED BOLT AND NEW NUT.Aug 31, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00815Fastener · rotatedNR 3 PYLON UPPER LINK TO WING ATTACH FITTING HAS ONE FASTENER THAT HAS ROTATED INBD VERTICAL FASTENER MOST AFT. FASTENER REMOVED, HFEC OF HOLE AND NO DEFECTS NOTED. BOLT REINSTALLED WITH RETAINED BOLT AND NEW NUT.Aug 31, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00814Fastener · rotatedNR 2 PYLON UPPER LINK TO WING FRONT SPAR ATTACH FITTING, ONE FASTENER HAS ROTATED AT INBD ROW UPPER HORIZONTAL FASTENER. FASTENER REMOVED, HFEC OF HOLE AND NO DEFECTS NOTED. BOLT REINSTALLED WITH RETAINED BOLT AND NUT.Aug 31, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00813Fastener · rotatedNR 1 PYLON UPPER LINK TO WING FRONT SPAR ATTACH FITTING INBOARD & OUTBOARD ROW UPPER HORIZONTAL FASTENERS HAVE ROTATED (2 TTL FASTENERS). FASTENER REMOVED, HFEC ON HOLE AND NO DEFECTS NOTED. BOLT REINSTALLED WITH RETAINED BOLT AND NUT.Aug 31, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00812Hinge Fitting · crackedLT WING OUTBOARD AILERON NR 2 HINGE FITTING CRACKED AT AFT LOWER AREA THROUGH LWR AFT FASTENER. MAJOR REPAIR ACCOMPLISHED. REMOVED AND REPLACED FITTING.Aug 31, 2004 · N107UA · Boeing 747422 · AileronsSDR 2004UALA00784Power Supply · inoperativeEMERGENCY LIGHTS INOP LT OW 2 EA AFT. REPLACED POWER SUPPLY M7919 AND RELAMPED.Aug 25, 2004 · N116UA · Boeing 747422 · Emergency LightingSDR 2004UALA00773Pump · failedNR 2 ENGINE SHUT DOWN DUE TO LOW OIL PRESSURE PROBLEM. FOUND FAILURE OF THE OIL PUMP IDLER GEAR BEARING SET DUE TO VIBRATIONS AND WEAR OF THE BEARING SET, THE BEARINGS FAIL AND STOP THE DRIVE TO THE OIL PUMP, CAUSING THE OIL PRESSURE TO DROP. THE BEARING SAug 16, 2004 · N128UA · Boeing 747422 · Turbine Engine Oil SystemSDR 2004UALA00758Fastener · looseNR 1 PYLON UPPER LINK TO WING FRONT SPAR ATTACH FITTING INBOARD & OUTBOARD ROW UPPER HORIZONTAL FASTENERS HAVE ROTATED, 2 TTL FASTENERS.Aug 10, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00757Fastener · looseNR 2 PYLON UPPER LINK TO WING FRONT SPAR ATTACH FITTING, ONE FASTENER HAS ROTATED AT INBOARD ROW UPPER HORIZONTAL FASTENER.Aug 10, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00756Fastener · looseNR 3 PYLON UPPER LINK TO WING ATTACH FITTING HAS ONE FASTENER THAT HAS ROTATED, INBOARD VERTICAL FASTENER MOST AFT.Aug 10, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00755Fastener · looseRIGHT WING UPPER SURFACE ENGINE NR 4 NACELLE UPPER LINK WING FITTING HAS 1 SPINNING FASTENER WS 1168.Aug 10, 2004 · N107UA · Boeing 747422 · FastenersSDR 2004UALA00714Attach Fitting · crackedFOUND APPROX 7.5 INCH VERTICAL CRACK ON THE 2ND FROM OUTBOARD FWD WING TO AILERON HINGE ATTACH FITTING SUPPORT STRUCTURE FOR RIGHT. THE NR 2 RIGHT OUTBOARD AILERON HINGE FITTING HAD BEEN REPLACED DUE TO PRIOR CRACKING. DURING REPLACEMENT A SLIGHT MIS-ALIGNMENJul 31, 2004 · N187UA · Boeing 747422 · AileronsSDR 2004UALA00753Light · inoperativeZONE-E CEILING EMERGENCY LIGHTS OUT ON BOTH SIDE OF CABIN AISLE. REPLACED BATTERY AND POWER SUPPLY.Jul 27, 2004 · N121UA · Boeing 747422 · Emergency LightingSDR 2004UALA00752Connector · inoperativeSEAT 52 HJK EMERGENCY LIGHT OUT. REPAIRED CONNECTOR.Jul 27, 2004 · N121UA · Boeing 747422 · FastenersSDR 2004UALA00751Power Supply · inoperativeFIRST CLASS LEFT SIDE SEAT MOUNTED EMERGENCY LIGHTS INOPERATIVE. REPLACED BATTERY ASSY.Jul 26, 2004 · N196UA · Boeing 747422 · Emergency LightingSDR 2004UALA00750Light · inoperativeSEAT 46 ABC TO 54 ABC EMERGENCY LIGHTS IS INOPERATIVE. REPLACED FEEDER UNDER CARPET BY LEFT SIDE OF AFT GALLEY.Jul 26, 2004 · N118UA · Boeing 747422 · Emergency LightingSDR 2004UALA00693Wire · brokenFWD EMERGENCY LIGHT STRIP FALLS OFF OF SEAT 5E. FOUND CABLE AT THE CONNECTION OF AFT LIGHT BROKEN. CABLE SECURED. AFT LIGHT OPN OK.Jul 26, 2004 · N196UA · Boeing 747422 · Light System Wiring
Back to Boeing 747-422