Boeing 747-238B

Service difficulty reports · 371

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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 = '747238B'
  ORDER BY difficulty_date DESC"

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SDR 2000UALA00292Light · malfunctionedEEL LIGHTING THROUGHOUT ENTIRE MAIN DECK HAS BEEN FLASHING ON AND OFF FOR THE WHOLE FLIGHT.May 30, 2000 · N159UA · Boeing 747238B · Emergency LightingSDR 2000UALA00295Fitting · looseDURING NR 1 ENGINE CHANGE NOTICED THAT BOTH FORWARD ENGINE MOUNTS 65B90335-7 & -8 WERE LOOSE. IT WAS REPORTED THAT AN APPROX .125 INCH SIDE TO SIDE MOTION RELATIVE TO THE ADJACENT WEB WAS POSSIBLE. *S/D* FITTING MOVEMENT DUE TO LOOSE FASTENERS. UAL REPLACEMay 18, 2000 · N159UA · Boeing 747238B · Engine Mount SectionSDR AU000204Fitting · mismanufactured(AUS) NR 6 AND NR 7 SPOILER PANELS HYDRAULIC CROSS FITTING PASSAGEWAYS NOT DRILLED. THE FITTING WAS A NEWLY INSTALLED ITEM.Apr 23, 2000 · Boeing 747238B · Hydraulic System, MainSDR 2000UALA00190Unknown · odorFUEL SMELL PRESENT IN COCKPIT AND FIRST CLASS AT THE TOP OF DESCENT.Apr 12, 2000 · N160UA · Boeing 747238B · Air Distribution SystemSDR 2000UALA00073Relay · malfunctionedEMERGENCY LIGHT OVERHEAD PANEL UNARMED LIGHT STAYS ON WITH SWITCH IN ARMED POSITION. *S/D* RELAY K2 WAS REPLACED (IN OVERHEAD CONTROL PANEL). NOTE FROM ENGINEERING: IT IS NORMAL FOR THE UNARMED LIGHT TO COME ON IF THE BUTTON AT DOOR 1 LT IS ACTIVATEFeb 15, 2000 · N160UA · Boeing 747238B · Emergency LightingSDR 2000UALA00069Module · inoperativeEMERGENCY LIGHTS DISARM LIGHT STAYS ON WITH SWITCH IN THE ARM POSITION. REPLACED EMERGENCY LIGHT MODULE ASSEMBLY (P/N 69B46010-28) AND CHECKS OK. CURRENTLY UNITED IS IN THE PROCESS OF MODIFYING THE MODULES. THIS MODIFICATION WILL PREVENT THE LIGHTS FROM STAFeb 12, 2000 · N160UA · Boeing 747238B · Emergency LightingSDR 2000UALA00037Light · malfunctioned1L DOOR EMERGENCY LIGHT STAYS ON WHEN ACFT POWER IS REMOVED. *S/D* REPLACED THE DOOR MOUNT EMERGENCY LIGHT ASSY. OP CHECK OK.Jan 26, 2000 · N165UA · Boeing 747238B · Emergency LightingSDR AU000127Slide · out of rig(AUS) RH NO3 DOOR ESCAPE SLIDE FAILED TO INFLATE. INFLATION BOTTLE CONTAINED THE CORRECT PRESSURE. INVESTIGATION FOUND THAT THE FAILURE WAS DUE TO THE SLOW OPERATION OF THE DOOR AND THE SLACK IN THE EPS CABLE DUE TO INCORRECT RIGGING.Jan 18, 2000 · Boeing 747238B · Escape SlideSDR 99UAL900677Pushrod · damagedHNL MAINTENANCE FOUND THE LEFT I/B MIDFLAP TRAVELED OUTBOARD AND STRUCK THE I/B AILERON. INSPECTION FOUND THESE PARTS BROKEN: 65B15635-1 CRANK, 65B15651-7 PUSH ROD, 65B15651-4 PUSH ROD, AND 65B39351-3 FTG ITEMS (1) & (2) WERE NEAR THE NR 4 FLAP TRACK; WHILE Dec 25, 1999 · N158UA · Boeing 747238B · Trailing Edge Flap Control SystemSDR 99UAL900668Support Bracket · damagedDURING TROUBLESHOOTING OF THE GROUND SPOILER CABLES, MAINTENANCE FOUND THE RIGHT GROUND (INBOARD) SPOILER SUPPORT FITTING ASSEMBLY, (P/N 65B08099-6), DAMAGE AT THE MOST INBOARD CLEVIS LUG. APPROXIMATELY 60 PERCENT OF THE LUG WAS FOUND MISSING. *S/D* REPLACEDec 18, 1999 · N163UA · Boeing 747238B · Drag Control SystemSDR 99UAL900650Connector · damagedSTRONG SMELL OF SMOKE AT CLIMB AT 23000, MOMENTARY FLAGS ON EPR AND FUEL FLOW GAUGE. NR 1 GEN FIELD LIGHT ON-SAI TOPPED. AFTER RESET APPEARED NORMAL. *S/D* SMOKE SMELL WAS CAUSED BY EXCESSIVE VOLTAGE (~100 VDC) APPLIED TO THE BRIDGE CIRCUIT OF THE NR 1 CSDDec 15, 1999 · N163UA · Boeing 747238B · AC Generator-AlternatorSDR 99UAL900621Engine · failedNUMBER TWO ENGINE STALLED, BACK FIRED ON TAKEOFF ROLL. ABORTED TAKEOFF AT 120 KTS. EGT AMBER LIGHT CAME ON AS CAPTIAN REDUCED THRUST. *S/D* COMPRESSOR FAILED AND THE ENGINE SURPLUSED, IT WAS NOT DISASSEMBLED.Nov 29, 1999 · N158UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR 99UAL900574Light · inopEEL STRIP AT BOTTOM OF CIRCULAR STAIR IS INTERMITTENT ON AND OFF NEAR 1ST CLASS GALLEY. *S/D* CYCLED EMERGENCY LIGHT SWITCH AND CHECKED LIGHT OPERATION. LIGHTS CHECKED OK. SYSTEM HAS BEEN FUNCTIONING NORMAL.Nov 4, 1999 · N161UA · Boeing 747238B · Emergency LightingSDR 99UAL900556Rib · crackedDURING INSPECTION OF THE OUTBOARD STRUTS RIBS (OUTBOARD AND INBOARD) AT NAC STA 236.5, THE OUTBOARD RIB ON STRUT NR 4 WAS FOUND CRACKED UNDERNEATH THE 65B90150-3 BRACKET. THE APPROXIMATE LENGTH OF THE CRACK IS 6 INCHES. ALSO, THE BRACKET WAS FOUND CRACKED. Oct 24, 1999 · N158UA · Boeing 747238B · Nacelle/Pylon, Frame/Spar/RibSDR AU991044Slide · failed(AUS) LEFT UPPER DECK ESCAPE SLIDE FAILED TO FULLY DEPLOY DUE TO THE FORWARD BELLCRANK CONTACTING A DOOR FITTING.Oct 20, 1999 · Boeing 747238B · Escape SlideSDR AU991017Wire · contaminated(AUS) REAR GALLEY HOTPLATE WIRING AND TERMINAL BLOCK DETERIORATED. WATER CONTAMINATION OF WIRING.Sep 8, 1999 · Boeing 747238B · Equipment/Furnishings WiringSDR TWRA9940Squib · did not testFLT 390 - AT TOP OF DESCENT, THE ENGINE RT BOTTLE SQUIB INDICATION DIP DID NOT TEST. LEFT OK. DURING DESCENT WHEN TESTING THE NR 2 RIGHT BOTTLE SQUIB, LIGHT FLICKERED ON AND OFF. OPS CHECK NORMAL ON THE GROUND. PERFORMED SQUIB TEST OF NR 1 ENGINE, FOUND RIGSep 2, 1999 · N607FF · Boeing 747238B · Extinguishing SystemSDR 99UAL900450Mask · dropedSEVERAL O2 MASKS DROPPED ON LANDING. CAUSE WAS LIKELY A HARD LANDING. MASKS WERE REPACKED AFTER LANDING. THIS HAS NO SAFETY IMPACT. THE OXYGEN SYSTEM WILL STILL PROVIDE OXYGEN TO ALL PASSENGERS IF SYSTEM IS ACTIVATED.Aug 25, 1999 · N163UA · Boeing 747238B · Passenger Oxygen SystemSDR 99UAL900403Fire Wire · chafedNR 1 ENGINE 'B' FIRE NEEDLE IN FIRE ZONE: TESTED A NEEDLE AND GOT FAULT LIGHT: SELECTED 'B' LOOP AND NO FIRE WARNING: NOTICED BREATHER TEMP RISING (180): SHUT ENGINE DOWN. THE LWR AFT FIRE LOOP WIRING FOR BOTH A/B SYS CHAFED THROUGH THE INSULATION. THE CULPRJul 27, 1999 · N165UA · Boeing 747238B · Detection SystemSDR 99UAL900325Light · flickeredE-ZONE EMERGENCY LIGHTS FLICKER IN FLIGHT. *S/D* THIS PROBLEM COULD NOT BE DUPLICATED ON THE GROUND. A SYSTEM TEST OF THE E-ZONE EMERGENCY LIGHTS AND BATTERY PACKS WAS ACCOMPLISHED PER MM 33-51-00 PG 507. EMERGENCY LIGHTS AND PACKS TESTED OK PER SEA.Jun 12, 1999 · N160UA · Boeing 747238B · Emergency LightingSDR 99UAL900314Ins · malfunctionedABORTED TAKEOFF AT 90 KNOTS, ON ACCOUNT OF CAPTAIN'S ATTITUDE FLAG IN VIEW. AFTER REVERSE, NR 4 GREEN LIGHT ON, SHUT ENGINE DOWN. REALIGNED INS AND FLAG WENT AWAY. STARTED NR 4 ENGINE AND GREEN LIGHT WENT OUT. THEN MADE NORMAL TAKEOFF. *S/D* INS OUT OF AJun 8, 1999 · N161UA · Boeing 747238B · Integrated Flight SystemSDR 99UAL900300Tube · tornEVACUATION SLIDE ON DOOR 1 LEFT WAS DEPLOYED DURING LAX MAINTENANCE CHECK. WITHIN TWENTY MINUTES OF DEPLOYMENT SLIDE WENT FLAT. *S/D* UNIT WAS SENT TO VENDOR FOR EVALUATION AND REPAIR. VENDOR FOUND A .75 INCH PUNCHER IN THE LOWER TUBE THAT DEVELOPED INTO AMay 14, 1999 · N159UA · Boeing 747238B · Escape SlideSDR 99UAL900244Engine · malfunctionedOIL SMELL PERMEATED THE ENTIRE CABIN AND COCKPIT DURING DESCENT. *S/D* FOUND OIL RESIDUE ON NR 1 ACM. REPLACED ACM, NO OIL LEAKS FOUND. INVESTIGATION REVEALED ACM INGESTED FOD, NO DAMAGE FOUND, THE OIL SEALS WERE INTACT. A 2ND ACM WAS REMOVED, DISASSEMBLEApr 27, 1999 · N163UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR 99UAL900215Engine · malfunctionedELECTRICAL OVERHEAT SMELL IN COCKPIT DESCENDING THRU 24,000 FT, NO SMOKE. SMELL DISSIPATED, THEN RETURNED ON ADDING POWER LATER IN DESCENT. *S/D* FOUND OIL RESIDUE ON NR 1 ACM. REPLACED ACM, NO OIL LEAKS FOUND. INVESTIGATION REVEALED ACM INGESTED FOD, NOApr 17, 1999 · N163UA · Boeing 747238B · Engine (Turbine/Turboprop)SDR 99UAL900169Wire · failedE-ZONE EMERGENCY FLOOR LIGHT INOP AND 1L CROSS AISLE EMERGENCY LIGHT INOP. REPAIRED WIRES AND CHECKED OK.Mar 18, 1999 · N163UA · Boeing 747238B · Light System WiringSDR CA981230051Tire · failed(CAN) REPORTED BY TOWER, FOUND RECAP ON RUNWAY AFTER DEPARTURE, AIRCRAFT RETURNED AND FOUND NR 6 TIRE BLOWN, CHANGED TIRE AND AXLE MATE.Dec 11, 1998 · Boeing 747238B · TireSDR AU981637Flap · malfunctioned(AUS) ON LANDING, THE RT OUTBOARD TE FLAPS STOPPED AT 25 DEGREES. FURTHER ATTEMPTS TO DRIVE FLAPS RESULTED IN STALLED DRIVE ABILITY. INVESTIGATION FOUND A SHEARED FITTING BETWEEN THE FLAP AND FLAP-DRIVE BALLSCREW.Dec 7, 1998 · Boeing 747238B · Trailing Edge FlapsSDR CALA9802066Skin · damagedTHE LOWER FUSELAGE BELLY SKIN WAS FOUND TO BE PUNCTURED BY GROUND EQUIPMENT AT STA 1997. THE PUNCTURED AREA WAS CUT OUT AND A REPAIR DOUBLER WAS INSTALLED IAW SRM 53-30-3, FIGURE 19, 53-10-3, FIGURE 1 AND 51-40-4, FIGURE 2.Nov 14, 1998 · N17025 · Boeing 747238B · Fuselage Main, Plate/SkinSDR AU981515Regulator · faulty(AUS) NR 1 ENGINE FUEL FLOW REGULATOR (FFR) FAULTY.Nov 7, 1998 · Boeing 747238B · Fuel Control/Reciprocating EnginesSDR AU981402Engine · overheated(AUS) NR 4 ENGINE EXPERIENCED HIGH EGT DURING TAKEOFF. LIMITED INFORMATION PROVIDED.Oct 12, 1998 · Boeing 747238B · Engine (Turbine/Turboprop)SDR AU981410Slide · failed(AUS) DOOR 1 RT SIDE ESCAPE SLIDE FAILED TO INFLATE CORRECTLY AND APPEARED TO CONTACT THE LOWER DOOR BUSTLE/HINGE CAUSING THE SLIDE TO TEAR.Oct 8, 1998 · Boeing 747238B · Escape SlideSDR AU981260Skin · cracked(AUS) NOSE LANDING GEAR WHEEL WELL CUT-OUT CRACKED IN THE FORWARD LOWER CORNERS.Sep 22, 1998 · Boeing 747238B · Fuselage Main, Plate/SkinSDR AU981259Skin · cracked(AUS) NOSE LANDING GEAR WHEEL WELL CUT-OUT CRACKED IN THE LOWER FORWARD CORNERS.Sep 22, 1998 · Boeing 747238B · Fuselage Main, Plate/SkinSDR AU981258Skin · cracked(AUS) NOSE LANDING GEAR WHEEL WELL CUT-OUT CRACKED IN THE LOWER FORWARD CORNERS.Sep 22, 1998 · Boeing 747238B · Fuselage Main, Plate/SkinSDR CALA9801807Wire · failedELECTRICAL ARCING IN R-1 WINDOW CAUSED A SMALL AMOUNT OF SMOKE IN THE COCKPIT DURING CLIMBOUT OF GUM. THE AIRCRAFT WAS RETURNED TO GUM WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND POWER WIRE TO R-1 WINDOW BROKEN AND BURNT. THE WIRE WAS REMOVED AND WISep 20, 1998 · N14024 · Boeing 747238B · Ice/Rain Protection System WiringSDR 98UAL900458Light · inoperativeCROSS AISLE EEL STRIP AT FORWARD GALLEY INOP. REPLACED EMERGENCY LIGHT STRIP AND RESECURED IN PLACE. OPERATIONAL CHECK GOOD.Sep 15, 1998 · N159UA · Boeing 747238B · Emergency LightingSDR TWRA9843Light · inoperativeB-ZONE AND L-5 MED CEILING LIGHT INOPERATIVE (NR 1). REPLACED LIGHT ASSY. OPS OK.Jul 31, 1998 · N607PE · Boeing 747238B · Emergency LightingSDR TWRA9842Light · inoperativeR-1 - R-3 BUSSLE LIGHT INOPERABLE (NR1). REPLACED LIGHT ASSY. OPS CHECK OK. R-1 REPAIRED BROKEN WIRE. (X)Jul 31, 1998 · N607PE · Boeing 747238B · Emergency LightingSDR 98UAL900359Battery · dischargedOUTBOARD EMERGENCY FLASHLIGHT AT FLIGHT ATTENDANTS SEAT NEXT TO DOOR 3 RIGHT NEEDS TO BE REPLACED. REPLACED BATTERY AND REINSTALLED FLASHLIGHT, OP'S CHECKED GOOD.Jul 25, 1998 · N161UA · Boeing 747238B · Emergency LightingSDR CALA9801325Light · inoperativeINSPECTION FOUND EMERGENCY LIGHT IN CEILING ABOVE ROW 23 HKL INOPERATIVE. THE EMERGENCY LIGHT ASSEMBLY AND BATTERY WERE REPLACED IAW MM 33-51-07, PAGE 201-202, ITEM 3.Jul 22, 1998 · N14024 · Boeing 747238B · Emergency LightingSDR 98UAL900316Wire · brokenDOOR 1 RIGHT EMERGENCY SLIDE LIGHT STAYS ON WITH EMERGENCY LIGHT SWITCH IN THE ARM POSITION. FOUND WIRE W2076-L5093-20 BROKEN AT DOOR SILL. WIRE PULLED OUT OF CONDUIT ABOVE SILL. REPLACED SLIDE LIGHT HARNESS AT DOOR 1R, OPS CHECKED OK.Jul 12, 1998 · N160UA · Boeing 747238B · Light System WiringSDR 98UAL900279Bulkhead Fitting · crackedDURING ROUTINE MAINTENANCE, THE NR 3 PYLON REAR ENGINE MOUNT BULKHEAD FITTING, 65B90367-1 WAS FOUND WITH THREE CRACKS EMANATING FROM THE FASTENER HOLES. THERE IS NO RECORD OF THE MOD DESCRIBED IN BOEING S/B 747-54-2113 HAVING BEEN ACCOMPLISHED IN THIS AREA. Jun 16, 1998 · N165UA · Boeing 747238B · Nacelle/Pylon, Bulkhead/FirewallSDR AU980698Girt Bar · detached(AUS) NR 2 RIGHT DOOR GIRT BAR AFT END NOT ENGAGED. GIRT BAR AFT SLIDER NOT POSITIONED BY THE ARMING MECHANISM.Jun 14, 1998 · Boeing 747238B · Emergency EquipmentSDR 98UAL900296Tube · crackedA 1.2 INCH CRACK WAS FOUND IN 65B02668-3 DIAGONAL SUPPORT TUBE AT STA 2598 HORIZONTAL STABILIZER HINGE SUPPORT BULKHEAD. CRACK WAS AT UPPER END OF TUBE, BEGINNING AT TUBE EDGE AND RUNNING DOWN THROUGH FIRST ROD END ATTACH FASTENER HOLE. TUBE ASSEMBLY REPLACEJun 14, 1998 · N165UA · Boeing 747238B · Horizontal Stabilizer StructureSDR TWRA9832Connector · looseON PRE-FLIGHT, FOUND UPPER DECK EVACUATION EMERGENCY TRACK LIGHTS INOPERATIVE. FOUND BROKEN CONNECTION AT 73HK. RESECURED CONNECTION. OPS CHECK UPPER DECK EVAC TRACK LIGHTS. OPS NORMAL AS PER MM 33-51-00. (X)Jun 13, 1998 · N607PE · Boeing 747238B · Emergency LightingSDR AU980676Regulator · faulty(AUS) NR 3 LT OFFWING ESCAPE SLIDE SLOW TO DEPLOY. INVESTIGATION FOUND THAT THE INFLATION CYLINDER REGULATOR WAS AFFECTED BY `O' RING FRICTION.May 18, 1998 · Boeing 747238B · Escape SlideSDR CALA9800852Battery Pack · dischargedOVERHEAD CEILING LIGHT FOR EMERGENCY LIGHTING AT SEAT ROW 23 ABC CAUSING INTERMITTENT ILLUMINATION IN ZONE C. REMOVED AND REPLACED BATTERY PACK UNIT AT ROW 23 ABC PER MM 33-51-01 AND 33-51-07.May 13, 1998 · N14024 · Boeing 747238B · Emergency LightingSDR CALA9800725Cadc · failedAFTER DEPARTURE, NUMBER ONE CADC FAILED CAPTAINS FD AND MACH INDICATOR HAD WARNING FLAGS AND NO WIND READ OUT ON INS 1 AND 3. AIR RETURNED. REMOVED AND REPLACED NUMBER 1 CADC PER MM 34-12-01 AND PERFORMED STATIC LEAK TEST.May 1, 1998 · N14024 · Boeing 747238B · Air Data ComputerSDR AU981697Slide · malfunctioned(AUS) NR 1 DOOR SLIDE (RT SIDE) FAILED TO INFLATE CORRECTLY WHEN TEST FIRING WAS CARRIED OUT. APPEARS THE SLIDE FOULED ON THE DOOR BUSTLE.Apr 18, 1998 · Boeing 747238B · Escape SlideSDR 98UAL900148Actuator · malfunctionedAFTER GEAR RETRACTION AND PLACING THE GEAR HANDLE IN THE OFF POSITION THE RIGHT BODY DOOR LIGHT CAME ON, BOTH PRI AND ALT. NECESSARY TO RECYCLE GEAR TO PUT LIGHT OUT. *S/D* FOUND LEVER LOCK CONTACTING RELEASE CAM. CONTACT PREVENTED INTERNAL LOCK FROM ACTUAApr 13, 1998 · N165UA · Boeing 747238B · Landing Gear Door Actuator
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