Boeing 747-422

Service difficulty reports · 9,801

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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"

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SDR 2001UALA01528Fan · defectiveSMELL OF ELECTRICAL SMOKE, STRONGEST NEAR AFT GALLEY LOWER DECK. UTILITY BUSSES DROPPED OFF, SWITCHES WERE TURNED OFF, SYSTEM WENT TO SMOKE CLEARING MODE, SMELL WENT AWAY, UTILITY BUSSES LEFT OFF. THE RIGHT OVERHEAD RECIRCULATION FAN WAS FOUND DEFECTIVE. THEJul 27, 2001 · N180UA · Boeing 747422 · Air Distribution FanSDR 2001UALA01527Light · inoperativeEMERGENCY EEL LIGHT INOP UNDER CLOSET JUST FORWARD OF LAV 104. *S/D* REPLACED EEL STRIP, CHECKS OK.Jul 26, 2001 · N190UA · Boeing 747422 · Emergency LightingSDR 2001UALA01421Light · inoperativeEEL LIGHT INOP ON SEATS 2A AFT AND 4A FWD AND AFT.Jul 19, 2001 · N127UA · Boeing 747422 · Emergency LightingSDR 2001UALA01302Fitting · damagedMAJOR REPAIR REPORTING THE 65B38230-3 AFT CARGO DOOR FORWARD ACTUATOR SUPPORT FITTING AND BRACKET WERE DAMAGED. REPAIR ACCOMPLISHED PER EVAG-7736 REV A REPAIR HAS BOEING APPROVAL AND DER APPROVAL.Jul 3, 2001 · N171UA · Boeing 747422 · Cargo/Baggage DoorsSDR 2001UALA01301Wire · damagedTWO EEL LIGHT STRIPS (LOCATED ON LEFT AISLE WALL - AT THE TOP OF THE STAIRS) AND THE ENTIRE STAIRWAY EEL LIGHT IS INOP. SUPPLEMENTAL DATA UPDATE FOUND EEL FEEDER CABLE DAMAGED. REPLACED EEL FEEDER CABLE.Jul 2, 2001 · N197UA · Boeing 747422 · Light System WiringSDR 2001UALA01203Connector · looseEEL LIGHT AT SEAT 34HJK IS INOP. *S/D* SECURED CONNECTOR UNDER SEAT. OPS CK'D OK.Jun 28, 2001 · N109UA · Boeing 747422 · Emergency LightingSDR 2001UALA01204Light · inoperativeEMERGENCY CEILING LIGHT NEXT TO SEAT 35ABC IS INOP. *S/D* RELAMPED, CKD OK.Jun 27, 2001 · N116UA · Boeing 747422 · Emergency LightingSDR 2001UALA01129Battery · dischargedEMERGENCY LIGHT FLASHING AT ROW 56 AFT. REPLACED EEL BATTERY ABOVE 5R. CHECKED OK.Jun 22, 2001 · N172UA · Boeing 747422 · Emergency LightingSDR 2001UALA01122Control Unit · failedFAINT ELECTRICAL SMELL IN F/A BUNK ROOM. SEEMS TO BECOMING FROM RIGHT ARMREST OF AFT BUNK ROOM RIGHT SEAT. REMOVED PART THAT SEEMS TO HAVE OVERHEATED. PROBLEM SEEMS SOLVED, CONT TO SFO. *S/D* FOUND SEAT ELECTRONICS UNIT PCN 580-9110 OVERHEATED. REPLACED Jun 21, 2001 · N177UA · Boeing 747422 · Entertainment SystemSDR 2001UALA01065Light · inoperativeEEL STRIPS AT DOOR 4 CROSS ISLE AND EEL IN LEFT HAND ISLE ADJACENT TO DOOR 4L ARE INOP. SUPPLEMENTAL DATA UPDATE FOUND EEL FEEDER STRIP BAD, REMOVED BAD SECTION AND SPLICED IN NEW FEEDER STRIP.Jun 18, 2001 · N188UA · Boeing 747422 · Emergency LightingSDR 2001UALA01050Switch · defectiveEMERGENCY LIGHTS EICAS ADVISORY MESSAGE DISPLAYED. EMERGENCY LIGHTS SWITCH NOT IN ARMED POSITION, OR SWITCH IN ARMED POSITION AND EMERGENCY LIGHTS TURNED ON BY FLT ATTENDANT.SUPPLEMENTAL DATA UPDATE FOUND EMERGENCY LIGHT SWITCH AT 1L ATTENDANT GUARD WAS ACTIVJun 16, 2001 · N104UA · Boeing 747422 · Emergency LightingSDR 2001UALA01052Light · intermittentEEL LIGHT FLICKERS AT 42 TO 45 LEFT AND RIGHT 46 TO 55 AND AFT GALLEY - SUPPLEMENTAL DATA UPDATE COULD NOT DUPLICATE DISCREPANCY. JIGGLED CONNECTORS, STEPPED ON EEL LIGHT STRIP, NO DEFECTS NOTED.Jun 15, 2001 · N187UA · Boeing 747422 · Emergency LightingSDR 2001UALA01035Light · inoperativeEMERGENCY LIGHT SEAT 5J AFT EEL STRIP INOP. REPLACED EEL STRIP, OPS CKD OK.Jun 12, 2001 · N199UA · Boeing 747422 · Emergency LightingSDR 2001UALA00942Skin · damagedRIGHT SIDE OF AIRCRAFT 4 FEET ABOVE AFT OUT FLOW VALVE FOUND DENT 2.5 INCH WIDE X 2.125 INCH LONG. ALSO AREA INSIDE DENT HAS A GOUGE .25 WIDE X 1 INCH LONG .1562 DEEP WITH SHARP METAL INSIDE GOUGED AREA. *S/D* REPAIR ACCOMPLISHED PER SRM 53-00-01 201 FIG 20Jun 2, 2001 · N193UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR 2001UALA00877Light · inoperativeEMERGENCY LIGHT INOP AT DOOR 1 LEFT AFT SILL. RELAMPED.May 30, 2001 · N122UA · Boeing 747422 · Emergency LightingSDR 2001UALA00567Video Unit · inoperativeWHEN VIDEO CLOSET DOOR WAS PULLED UP IT HIT SOMETHING BEHIND THE VIDEO EQUIPMENT, SPARKS AND ELECTRICAL SMELL REPORTED BY CREW. VIDEO SYSTEM IS INOP.Apr 23, 2001 · N191UA · Boeing 747422 · Entertainment SystemSDR 2001UALA00493Wire · brokenEMERGENCY EXIT LIGHTS-FLOOR LIGHT DAMAGED. SUPPLEMENTAL DATA UPDATE CAUSE: WIRE W2086-005-20 (REF. WDM33-51-52 PAGE 3 SHEET 1) 2 INCHES FROM CONNECTOR DX321 LOCATED AT DR4L. REPAIRED WIRE PER GNMM 2-0-15-1 PAGE 7.Apr 13, 2001 · N187UA · Boeing 747422 · Light System WiringSDR 2001UALA00171Skin · crackedDURING ROUTINE MNTC AT SFO, MECHANIC SAW LIGHT COMING INTO RIGHT SIDE APU BATTERY COMPARTMENT FROM OUTSIDE. UPON INVESTIGATION, IT WAS DISCOVERED THAT 65B02777-601 SKIN ASSY WAS CRACKED THRU AT APPROX 3 O''CLOCK POSITION. IT APPEARS THAT THE AFT STR 11(65B02Feb 22, 2001 · N187UA · Boeing 747422 · Fuselage Main, Plate/SkinSDR 2001UALA00138Light · shortedAPU FIRE HANDLE LIGHT ON INTERMITTENLY, ALSO EICAS MESSAGE BUT NO FIRE WARNING AURAL CREW DIVERTING. *S/D* INVESTIGATION INDICATES THAT THE INTERMITTENT FLICKERING OF THE APU FIRE HANDLE, ALSO KNOWN AS FIRE EXTINGUISHING SWITCH ASSEMBLY, APPEARS TO HAVE BEEFeb 21, 2001 · N173UA · Boeing 747422 · Fire DetectionSDR 2001UALA00066Window · failedNUMBER THREE COCKPIT LEFT WINDOW INNER PANE SHATTERED INFLIGHT. CREW NOTED PRIOR TO WINDSHIELD FAILURE WINDOW WAS FROSTED OVER AND NOT DEFOGGING. REMOVED WINDOW AND FOUND CORROSION ON UPPER AND AFT LOWER SIDES.Jan 29, 2001 · N181UA · Boeing 747422 · Flight Compartment WindowsSDR 2001UALA00026Terminal · burnedIN CRZ HAD ELEC BURNING ODOR AND VISIBLE SMOKE AROUND CAPTS SIDE OF THE COCKPIT. UNABLE TO DETERMINE SOURCE. SCHEDULED: MEL TO LAX, DIVERTED TO PAGO PAGO. *S/D* PERFORMED DETAILED VISUAL INSPECTION OF THE COCKPIT AND FOUND LOWER LEFT L1 WINDSHIELD HEAT LUGJan 15, 2001 · N195UA · Boeing 747422 · AC Power Distribution SystemSDR 2000UALA00812Floorbeam · damagedMAJOR REPAIR ACCOMPLISHED TO FLOORBEAM WEB PER SRM 51-70-13-001 DOUBLER INSTALLED AFT SIDE OF CABIN FLOORBEAM BS 880 RBL 9 WL 199 HEIGHT OF BEAM APPROX 7 INCHES WIDE. *S/D* DAMAGE CAUSED AT CURRENT MAINTENANCE CHECK BY ACCIDENT WHEN PERFORMING WORK IN VICINIDec 24, 2000 · N174UA · Boeing 747422 · Fuselage Main, Floor BeamSDR 2000UALA00810Controller · malfunctionedRUDDER TRAVELS TO FULL LEFT POSITION WITH RUDDER PEDALS IN NEUTRAL, WITH HYDRAULICS ON.Dec 22, 2000 · N179UA · Boeing 747422 · Rudder Tab Control SystemSDR 2000UALA00807Fan · failedACRID ELECTRICAL BURNING SMELL THROUGHOUT CABIN AND COCKPIT. ISOLATED SMELL TO LOWER RIGHT RECORD. FAN. VERIFIED FAN INOP. WITH COCKPIT SWITCH ON. LEFT LOWER FAN OPERATES NORMALLY.Dec 22, 2000 · N127UA · Boeing 747422 · Air Distribution FanSDR 2000UALA00710Brake · seizedNR 8 BRAKE SEIZED ON TAKEOFF ROLL. AIRCRAFT RETURNED TO BLOCKS. CREW REPORT AIRCRAFT SWERVED TO LEFT ON COMMENCEMENT OF TAKEOFF ROLL. SUPPLEMENTAL DATA UPDATE REPLACED NR 8 SEIZED BRAKE. PRECAUTIONARY REPLACED BSCU ( BRAKE SYSTEM CONTROL UNIT)Nov 27, 2000 · N197UA · Boeing 747422 · BrakeSDR 2000UALA00692Light · inoperativeEEL LIGHT INOP IN FRONT OF LAV 102 B-ZONE RIGHT HAND SIDE.Nov 17, 2000 · N119UA · Boeing 747422 · Emergency LightingSDR 2000UALA00684Coffeemaker · dirtyAIRCRAFT AIR HAS UNUSUAL SMELL. *S/D* SUSPECT FOREIGN MATERIAL BURNT ON H22 HOT PLATE IN THE G2A GALLEY COMPLEX. NO MAINTENANCE PERFORMED PRIOR TO EVENT THAT WOULD CAUSE UNUSUAL SMELL. RECORD WAS INITIALLY CLOSED ON 12/07/2000. RECORD WAS UPDATED ON 1/05Nov 15, 2000 · N127UA · Boeing 747422 · Buffet/GalleysSDR 2000UALA00622Light · malfunctionedTHE EMERGENCY LIGHTS IN CABIN ARE FLASHING. REMOVED SYSTEM POWER TO STOP.Oct 25, 2000 · N187UA · Boeing 747422 · Emergency LightingSDR 2000UALA00619Light · malfunctionedCREW REPORTING EMERGENCY EXIT LIGHTS BLINKING ON AND OFF.Oct 25, 2000 · N187UA · Boeing 747422 · Emergency LightingSDR 2000UALA00618Controller · malfunctionedEMERGENCY EXIT LIGHTS ILLUMINATED AFTER T/O AND REMAINED ON FOR APPROXMATLEY 1 HR (INTERMITTENT) WENT OFF JUST BEFORE DESCENT.Oct 25, 2000 · N187UA · Boeing 747422 · Emergency LightingSDR 2000UALA00623Light · malfunctionedEEL IN ALL CABINS AND AFT CREW REST CAME ON INTERMITTENTLY FOR ABOUT 45 MINUTES THEN STOPPED.Oct 23, 2000 · N187UA · Boeing 747422 · Emergency LightingSDR 2000UALA00591Controller · malfunctionedFWD CARGO DOOR OPENED BY ITSELF WHEN CB PUSHED IN. ON ARRIVAL, CIRCUIT BREAKERS WERE PUSHED IN, WHEN PRESSURE RELIEF DOOR HANDLE WAS OPENED THE DOOR LATCHES OPENED AND THEN THE DOOR OPENED ON ITS OWN. COULD NOT DUPLICATE PROBLEM AFTER INITIAL OPENING.Oct 11, 2000 · N199UA · Boeing 747422 · Passenger/Crew DoorsSDR 2000UALA00583Battery Pack · dischargedEMERGENCY LIGHTS IN CABIN BLINKING ON AND OFF. *S/D* REPLACED BATTERY PACK, CHECKED OK.Oct 5, 2000 · N116UA · Boeing 747422 · Emergency LightingSDR 2000UALA00580Tube · tornP/N 7A1479-13 EVACUATION SLIDE/RAFT DOOR 2 LT FAILED FLAT FIRE TEST IN HOME SHOP DURING SLIDE/RAFTS ROUTINE OVERHAUL. UPPER TUBE DEVELOPED A TEAR IN THE LT UPPER CROSSOVER TUBE AT THE BOTTOM CORNER. THE CAUSE OF THE TEAR APPEARS TO BE DAMAGE TO THE TUBE MATEOct 5, 2000 · N180UA · Boeing 747422 · Escape SlideSDR 2000UALA00517Intercostal · damagedE-ZONE CABIN FLOOR INTERCOSTAL UPPER CHORD HAS EXCESSIVE MATERIAL. REMOVED AT BS 1834 - 1838. 30 PERCENT OF PARENT MAT''''L REMOVED AND LBL 41 AFTER CORROSION REMOVAL. MAJOR REPAIR WAS ACCOMPLISHED PER SRM 53-00-52 FIG 202.Aug 24, 2000 · N176UA · Boeing 747422 · Fuselage Miscellaneous StructureSDR 2000UALA00476A/C Pack · odorOILY SMELL FROM PACKS DURING CLIMB AND DESCENT. NOTE, PACKS IN HI-FLOW.Aug 10, 2000 · N194UA · Boeing 747422 · Cabin Cooling SystemSDR 2000UALA00349Line · leakingSTRONG HYDRAULIC SMELL IN THE COCKPIT. *S/D* SMELL DUE TO HYDRAULIC LEAK OF HYD SYSTEM NR 1 TUBE LOCATED IN FWD PIT AT AFT SIDE OF STA 900, STRINGER 28L. PIN HOLE DEVELOPED DUE TO CHAFING UNDER CLAMP. ACCOMPLISHED TUBE RINGLOCK REPAIR. LEAK CHECK ACCOMPLIJun 20, 2000 · N183UA · Boeing 747422 · Hydraulic Power SystemSDR 2000UALA00333Motor · failedAT CRUISE FL370 THE MAIN AND UPPER DECK EXPERIENCED STRONG ELECTRICAL PLASTIC SMELL UNDETERMINED ORIGIN BUT BARELY NOTICEABLE IN COCKPIT. THE SMELL MOVED RAPIDLY THROUGHOUT CABIN. TURNED OFF L-R UTILITY. SMELL DISSIPATED ON GROUND. F/A REPORTED AN ARCING NOJun 12, 2000 · N188UA · Boeing 747422 · Air Distribution FanSDR 2000UALA00325Light · illuminatedEMERGENCY LIGHTS ILLUMINATED ON EICAS. *S/D* RESET EMERGENCY LIGHT SWITCH AT DOOR 1 LEFT, OPS NORMAL. NOHISTORY.Jun 10, 2000 · N116UA · Boeing 747422 · Emergency LightingSDR 2000UALA00323Warning Light · illuminatedREJECTED TAKEOFF AT APPROXIMATELY 110 KNOTS DUE TO DOOR 5L WARNING LIGHT ON ICAS. *S/D* THE DOOR WAS CYCLED SEVERAL TIMES, AND THE SWITCH AND CONNECTOR WERE INSPECTED AND FOUND OK. THEN THE CABIN WAS PRESSURIZED TO 4.0 PSID AND NO DOOR WARNING OCCURRED. TJun 7, 2000 · N120UA · Boeing 747422 · Door Warning SystemSDR 2000UALA00307Slide · splitDURING SHOP OVERHAUL OF THE SLIDE RAFT, (P/N 7A1479-3) (S/N G185) A FOUR INCH SEAM SEPARATION DEVELOPED IN THE LOWER TUBE. THE SEPARATION IS BETWEEN THE LOWER TUBE ASPIRATOR FILL TUBE AND THE MAIN LOWER TUBE. THE UNIT WAS SENT TO THE VENDOR FOR EVALUATION Jun 5, 2000 · N84UA · Boeing 747422 · Escape SlideSDR 2000UALA00270Light · inoperativeEEL LIGHT AT CROSSAISLE DOOR 5L AND 5R DOES NOT ILLUMINATE. *S/D* REPLACED EEL LIGHT ASSY, OPS CHECKED OK.May 18, 2000 · N175UA · Boeing 747422 · Emergency LightingSDR 2000UALA00243Bolt · crackedON WALKAROUND, FOUND 1.125 INCH DIA H-11 BOLT BROKEN AT STATION 1480 BODY LANDING GEAR INBOARD TRUNNION SUPPORT FITTING. *S/D* CAUSE WAS DUE TO STRESS CORROSION. REPLACED BOLT (69B13682-1) AND PERFORMED ULTRASONIC INSPECTED ADJACENT (2) BOLTS COMMON TO FITTMay 11, 2000 · N179UA · Boeing 747422 · Main Landing Gear Attach SectionSDR 2000UALA00206Unknown · odorSTRONG ELECTRIC BURNING ODOR IN UPPER DECK GALLEY. TURNED OFF ALL ELECTRIC SWITCHES AND SMELL SEEMED TO DIMINISH BUT DID NOT GO AWAY. STRONGEST AROUND COFFEEMAKER. ALSO ELECTRIC ODOR AROUND UPPER DECK DOORS, MOVED PASSENGERS. CREW WRITE UP STATES F/A''S REApr 25, 2000 · N187UA · Boeing 747422 · Air Distribution SystemSDR 2000UALA00205Gasper Fan · failedREPORT OF BURNING SMELL IN COACH CABIN. TURNED OFF RECIRCULATING FANS AND SMELL WENT AWAY. *S/D* GASPER FAN REPLACED. NO FURTHER PROBLEMS.Apr 24, 2000 · N181UA · Boeing 747422 · Air Distribution FanSDR 2000UALA00195Oven · smokeOVEN IN 1ST CLASS STARTED SMOKING INTERNALLY. NO FIRE OR FLAMEOBSERVED. USED HALON AND WATER EXTINGUISHER INSIDE OVEN. ALL CB''S PULLEDFOR THAT GALLEY AREA PRECAUTIONARY. DID NOT APPEAR TO BE ELECTRICPROBLEM. MAY HAVE BEEN OBJECTS INSIDE. *S/D* SUSPECT Apr 15, 2000 · N120UA · Boeing 747422 · Buffet/GalleysSDR 2000UALA00194Heater · failedELECTRIC BURN SMELL IN COCKPIT. TURNED OFF LOWER RECIRCULATING FAN PER MEL. SMELL WENT AWAY. *S/D* REPLACED PILOTS SHOULDER HEATER (P/N: 2831-2). NO PROBLEMS AFTER, PROBABLE CAUSE WAS INTERNAL FAILURE.Apr 10, 2000 · N174UA · Boeing 747422 · Heating SystemSDR 2000UALA00167Light · damagedEEL AND TRIM TORN AFT GALLEY. REPLACED GALLEY EEL STRIP. OPS CHECK GOOD.Apr 2, 2000 · N121UA · Boeing 747422 · Emergency LightingSDR 2000UALA00157Compressor · failedHOT ELECTRICAL ODOR SMELLED IN COCKPIT AND FRONT OF FIRST CLASS AREA. *S/D* POTABLE WATER SYSTEM AIR COMPRESSOR WAS FOUND TO HAVE BEEN OVERHEATING AND SMOKING. SHOP FINDINGS FOUND WATER IN COMPRESSOR. REPLACED AIR COMPRESSOR AND UNLOADER CHECK VALVE.Mar 27, 2000 · N117UA · Boeing 747422 · Potable Water SystemSDR 2000UALA00122Spar · burnedAPPROX .375 INCH DIAM ARCING BURN-THROUGH DAMAGE TO NR 2 PYLON FWD MID SPAR WEB AT CORNER OF LIGHTENING HOLE. DAMAGE WAS DUE TO ARCING BURN-THROUGH OF WORN GENERATOR FEED CABLE TO NR 2 PYLON FWD MID SPAR WEB (P/N: 311U4156-1). A WEB DOUBLER REPAIR ADAPTED FRMar 9, 2000 · N189UA · Boeing 747422 · Nacelle/Pylon, Frame/Spar/Rib
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