Boeing 747-123

Service difficulty reports · 2,292

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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 = '747123'
  ORDER BY difficulty_date DESC"

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SDR UPS404380Skin · crackWHILE ON GROUND, MAINTENANCE FOUND LOWER FUSELAGE HAS A 3 INCH CRACK, APPROX STA 2420 AT 7 O'CLOCK POS. THE CRACK IS ALONG EDGE OF SKIN LAP. REPAIRED PER SRM 53-30-03.Sep 11, 1995 · N677UP · Boeing 747123 · Fuselage Main, Plate/SkinSDR UPS404379Skin · delaminatedWHILE ON GROUND, MAINTENANCE FOUND LT WING INBOARD FLAP, AFT SECTION FWD SIDE, 2 INCH BY 4 INCH AREA OF DELAMINATION JUST AFT OF NR 3 CANOE. REPAIRED FLAP ROCK GUARD PER SRM 51-40-06.Sep 11, 1995 · N671UP · Boeing 747123 · Trailing Edge FlapsSDR UPS204368Stringer · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND AT 'B' STA 1940 RT SIDE STRINGER 34 CORRODED AND CRACKED. CORROSION AND CRACK WHERE OUT OF LIMITS PER SRM 53-10-07. REPAIRED STR 34 AT 'B' STA 1940 PER SRM 53-10-03 FIG 2.Sep 11, 1995 · N672UP · Boeing 747123 · Fuselage Main, Longeron/StringerSDR UPS204367Stringer · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND RT STR 33 BETWEEN 'B' STA 1500 TO 1520, CORRODED AND CRACKED. CORROSION AND CRACK ARE OUT OF LIMITS PER SRM 53-10-07. REMOVED DAMAGE STR PARTS FROM 'B' STA 1510 TO 1530 AND REPAIRED ACC SRM 53-10-03 FIG 1.Sep 11, 1995 · N672UP · Boeing 747123 · Fuselage Main, Longeron/StringerSDR UPS404378Skin · delaminatedWHILE ON GROUND, MAINTENANCE FOUND RT WING INBOARD FLAP SECTION, AFT FLAP SECTION FWD SIDE, 1 INCH BY 4 INCH DELAM SECTION JUST AFT OF NR 6 CANOE. REPAIRED ROCK GUARD ON FLAP AND PAINTED IAW SRM 51-40-06.Sep 10, 1995 · N671UP · Boeing 747123 · Trailing Edge FlapsSDR UPS404377Skin · delaminatedWHILE ON GROUND, MAINTENANCE FOUND RT WING INBOARD FLAP FWD SIDE, 2 INCH BY 6 INCH DELAM SECTION. REPAIRED FLAP ROCK GUARD AND PAINTED IAW SRM 51-40-06.Sep 10, 1995 · N671UP · Boeing 747123 · Trailing Edge FlapsSDR UPS404363Seat Track · corrodedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND BS 2160 - BS 2000 RBL 98 WEB PANEL AND SEAT TRACK CORRODED. REPAIRED WEB PANEL IAW SRM 51-40-02, FIG 1. REPLACED SEAT TRACK IAW SRM 51-10-01.Sep 7, 1995 · N672UP · Boeing 747123 · Fuselage, Seat/Cargo Attach FittingsSDR UPS404362D-Beam · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND RT WING WBL 470 D-BEAM CRACKED IN FRONT OF PYLON 3. D-BEAM REPAIRED ACC SRM 57-30-04.Sep 7, 1995 · N672UP · Boeing 747123 · Wing Miscellaneous StructureSDR UPS40434Frame · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND STR 29 AT BS 2040 LT CORRODED AT FRAME LOCATION. NO CORROSION FOUND IN STRINGER, BUT A CRACK ON FRAME WEB AT DESCRIBED LOCATION, DUE TO CORROSION. STOP-DRILLED CRACK AND REMOVED CORROSION ACC SRM 51-10-01 ANDSep 7, 1995 · N672UP · Boeing 747123 · Fuselage Main, FrameSDR UPS404357Eel Lamp · inopWHILE ON GROUND, MAINTENANCE FOUND 1 EMER LIGHT BURNED OUT, AFT O/H ABOVE FLT RECORDER. RELAMPED AS REQ'D, OPS CK GOOD.Sep 4, 1995 · N675UP · Boeing 747123 · Emergency LightingSDR UPS404353Eel Lamp · inopWHILE ON GROUND, MAINTENANCE FOUND UPPER DECK, LT DOOR SILL EMERGENCY LIGHT INOP. RELAMPED, OPS CK OK.Sep 1, 1995 · N671UP · Boeing 747123 · Emergency LightingSDR UPS404352Skin · damagedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND PYLON NR 4 NAC: STA 225, SKIN DAMAGED BY WEAR ON TOP OF PYLON, OUTBOARD SIDE. SKIN REPAIRED ACC: S.R.M. 54-30-03 FIG 17A.Aug 31, 1995 · N672UP · Boeing 747123 · Nacelle/Pylon, Plate/SkinSDR UPS404351Stringer · corrodedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND END OF STR 47R ON BSTA 902 IS CORRODED, CORROSION IS OUT OF LIMITS, ACC. SRM 53-10-01, FIG. 1, NOTE-B. REPAIRED STRINGER FROM 970 TO BSTA 984 ACC. SRM. 53-10-03, FIG. I, DETAIL I, MATERIAL EXISTING STRINGER ISAug 31, 1995 · N672UP · Boeing 747123 · Fuselage Main, Longeron/StringerSDR UPS404359Blkhd Web · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND PYLON NR 2 CRACKED, ON THE AFT BULKHEAD LWR SIDE WEB. CRACK WAS OUT OF LIMITS ACC SRM 54-10-01 FIG 1 PAGE 4. WEB HAS BEEN REPAIRED ACC SRM 51-40-02.Aug 29, 1995 · N672UP · Boeing 747123 · Nacelle/Pylon, Bulkhead/FirewallSDR UPS404358Web Plate · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND WEB PLATE ON RBL 11.33 STA 1620 AND 1640, CORRODED AND CRACKED. CORROSION AND CRACK OUT OF LIMITS ACC SRM 53-10-01. REPLACED WEB IAW SRM 51-10-01, AT BS 1620 TO 1640 RBL 11.33.Aug 29, 1995 · N672UP · Boeing 747123 · Fuselage Miscellaneous StructureSDR UPS404276Eel · inopWHILE ON GROUND, MAINTENANCE FOUND CREW SERVICE DOOR EMERGENCY EXIT LIGHTS FOR SLIDE INOP, DEFERED MEL 33-13.Aug 18, 1995 · N674UP · Boeing 747123 · Emergency LightingSDR 95UAL900094Flow Divider · malfunctionedA/C HAD APU TAILPIPE FIRE WHILE AT GATE. REPLACED APU. FLOW DIVIDER (P/N 976000) IN FUEL CONTROL FOUND TO BE STICKING AND THE BLEED DOWN VALVE (P/N 36037) WAS FAILING TO DUMP EXCESS FUEL.Aug 15, 1995 · N157UA · Boeing 747123 · APU Engine Fuel and ControlSDR UPS204172Eel · inopWHILE ON GROUND IN ANC, MAINTENANCE FOUND THE UPPER DECK ESCAPE DOOR HAS AN INOP FWD EMERGENCY LIGHT. MAINTENANCE RELAMPED, OPS CK GOOD.Aug 13, 1995 · N671UP · Boeing 747123 · Emergency LightingSDR UPS404118Eel · dimWHILE ON GROUND, MAINTENANCE FOUND CREW SERVICE DOOR EMERGENCY EXIT LIGHT INOP. MAINTENANCE CLEANED THE CONNECTOR, LIGHT OPS CK OK.Aug 12, 1995 · N674UP · Boeing 747123 · Emergency LightingSDR UPS404110Eel · dimWHILE ON GROUND IN SDF, MAINTENANCE FOUND EMERGENCY LIGHT IN CREW SERVICE DOOR FRAME IS DIM. MAINTENANCE RELAMPED EMERGENCY EXIT AT RT FLIGHT DECK SERVICE DOOR.Aug 12, 1995 · N674UP · Boeing 747123 · Emergency LightingSDR UPS404103Panel · crackedWHILE ON GROUND MAINTENANCE FOUND LEFT WING FLYING PANEL INBD TRAILING EDGE NEXT TO FUSELAGE HAS 14 INCH CRACK (TOP OF WING). REMOVED PANEL. DRILLED HOLES IN NEW PANEL AND STARTED INSTALLATION. FINISHED INSTALLATION OF NEW PANEL AS PER M/M 57-22-01.Aug 7, 1995 · N671UP · Boeing 747123 · Wing, Plate/SkinSDR UPS404102Le Skin · crackedWHILE ON GROUND MAINTENANCE FOUND LT WING, INBD MID FLAP LEADING EDGE INBD SECTION HAS A HOLE APPROX 1 INCH DIAMETER AND A CRACK EMANATING FROM IT THAT IS APPROX 10 - 12 INCHES LONG. REPAIRED PER SRM 747-51-40-9.Aug 7, 1995 · N671UP · Boeing 747123 · Trailing Edge FlapsSDR 95UAL900083Carbon Seal · chippedAFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5.5 HOURS INTO FLT, THEN PRESS FLUCT, AT 8 HRS LOW OIL PRESS LIGHT CAME ON AND ENGINE SHUTDOWN. CSD CARBON SEAL LOCATED ON THJul 21, 1995 · N154UA · Boeing 747123 · Turbine Engine Accessory DriveSDR 95UAL900047Oil Qty · droppedAFTER REACHING CRUISE ALT NR 4 ENG OIL QTY DROPPED TO JUST ABOVE 1 GAL ON IND, ALL OTHER IND OK. OIL QTY SLOWLY DECREASED TO ZERO AT 5 AND ONE HALF HOURS INTO FLT, THEN PRESS FLUCT. AT 8 HRS, LOW OIL PRESS LIGHT ON, ENGINE SHUTDOWN.Jul 21, 1995 · N154UA · Boeing 747123 · Turbine Engine Oil SystemSDR 95ZZZM535Bushings · brokenDURING NOSE LANDING GEAR CHANGE, THE LEFT AND RIGHT TRUNNION BEARINGS WERE CLEANED AND REINSTALLED IAW BOEING 747-SCA MM CHAPTER 32-21-01. AFTER THE NOSE GEAR WAS INSTALLED, MAINTENANCE PERSONNEL FOUND THE LEFT AND RIGHT TRUNNION BUSHINGS BROKEN WITH EVIDENCEJul 13, 1995 · N905NA · Boeing 747123 · Nose/Tail Landing Gear Attach SectionSDR 95UAL900038Tube · failedSLIDE RAFT WAS FOUND TO HAVE POROSITY ON THE LT BOTTOM TUBE, CROSS OVER TUBE, AND ON THE CENTER TUBE. IN ADDITION, SLIDE/RAFT HAS SEAM LEAKS ON THE RT AND LT SIDE TUBES. SCRAPPED SLIDE.Jul 12, 1995 · N154UA · Boeing 747123 · Life RaftSDR P5CA9500163Bracket · crackedFOUND NR 4 LEADING EDGE DRIVE FWD SUPPORT BRACKET HAS TWO CRACKS IN RADIUS NEAR INBOARD ATTACH BRACKET, STA 1400 LEFT WING. REPAIRED AS PER SRM 51-40-03.Jul 4, 1995 · N859FT · Boeing 747123 · Wing Miscellaneous StructureSDR UPS403745Te Skin · delaminatedWHILE ON GROUND IN ONT, MAINTENANCE FOUND RT I/B ELEVATOR T/E DELAMINATED. REPAIRED IAW SRM 51-40-15.Jul 1, 1995 · N674UP · Boeing 747123 · Elevator, Plate/SkinSDR 95UAL900019Eel Battery Pack · dischargedEMERGENCY EXIT LIGHT SIGNS INOP AT DOOR 1L. REPLACED BATTERY PACK.Jun 26, 1995 · N154UA · Boeing 747123 · Lighting SystemSDR UPS403631Chord · crackedWHILE IN AMSTERDAM FOR C-CHECK, MAINTENANCE FOUND FORWARD LOWER CARGO COMPARTMENT CRACK IN UPPER CHORD STA 720 RBL 1. REPAIRED IAW E.O. 747-53-0717.Jun 20, 1995 · N675UP · Boeing 747123 · Fuselage Miscellaneous StructureSDR UPS403628Seat Track · corrodedWHILE IN AMSTERDAM FOR C-CHECK MAINTENANCE, FOUND CORROSION ON SEAT TRACK STA 510, RBL 58. REPLACED TRACK IAW SRM 53-10-5.Jun 19, 1995 · N675UP · Boeing 747123 · Fuselage, Seat/Cargo Attach FittingsSDR UPS403617Chord · crackWHILE IN AMSTERDAM FOR C-CHECK MAINTENANCE, FOUND RT WING UPPER T-CHORD CRACKED ON FWD SIDE WS 440. REPAIRED IAW EO 747-57-0257.Jun 19, 1995 · N675UP · Boeing 747123 · Wing Miscellaneous StructureSDR UPS403616Stringer · crackWHILE IN AMSTERDAM FOR C-CHECK MAINTENANCE, FOUND CORROSION ON STRING 45 AT STA 2160, 30 RBL. REPAIRED IAW SRM 51-10-07, 53-10-07, 53-10-03.Jun 19, 1995 · N675UP · Boeing 747123 · Fuselage Main, Longeron/StringerSDR UPS403615Frame · crackWHILE IN AMSTERDAM FOR C-CHECK MAINTENANCE, FOUND CRACK IN FRAME AT STA 360 LT BETWEEN STR 25 AND 26. REPAIRED IAW 747-53-0066.Jun 19, 1995 · N675UP · Boeing 747123 · Fuselage Main, FrameSDR 95UAL900010Rod End · failedTHE NR 6 GROUND SPOILER POWER CONTROL PACKAGE ACTUATOR ROD END, SEPARATED FROM THE ACTUATOR UPON LANDING. DAMAGED SPOILER PANEL, SPOILER ACTUATOR SUPPORT FITTING, AND SURROUNDING STRUCTURE. THE ROD END/PISTON ROD THREADS FAILED AS A RESULT OF CORROSION.Jun 19, 1995 · N153UA · Boeing 747123 · Drag Control SystemSDR UPS403630Eel · inoperativeWHILE ON GROUND IN SDF, MAINTENANCE FOUND UPPER ESCAPE SLIDE DOOR AFT EMER LIGHT INOP. REMOVED AND REPLACED BATTERY PACK IAW M/M 33-51-04. OPS CHECK GOOD.Jun 18, 1995 · N673UP · Boeing 747123 · Emergency LightingSDR 95UAL747039Fire Light · illuminatedTHE NR THREE ENGINE FIRE LIGHT CAME ON DURING TAKEOFF.Jun 7, 1995 · N153UA · Boeing 747123 · Fire DetectionSDR 95UAL747037Retract Mech · malfunctionedEXPERIENCED LOW NOISE AND SLIGHT PITCH AT FL 350. DURING APPROACH WHEN FLAPS GOING FROM 5 TO 10 AND 10 TO 20 DEGREES, EXPERIENCED CONSIDERABLE VIBRATION.May 24, 1995 · N157UA · Boeing 747123 · Trailing Edge Flap Control SystemSDR 95UAL747032Eel · malfunctionedEEL IN ZONE E ILLUMINATED AT ALL TIMES. RESET CIRCUIT BREAKER ON P12. OPS CHECKS NORMAL.May 15, 1995 · N155UA · Boeing 747123 · Emergency LightingSDR 95UAL747022Fire Loop · out of positionNR 4 ENGINE WAS SHUTDOWN IN FLIGHT DUE TO FIRE WARNING INDICATION. DISCHARGED BOTH FIRE BOTTLES. UPPER FORWARD B-LOOP WIRE FOUND CHAFING AGAINST ENGINE CAUSING FALSE FIRE INDICATION. WIRE REPAIRED.Apr 18, 1995 · N153UA · Boeing 747123 · Fire DetectionSDR 95UAL747008Blkhd Cap · corrodedLEVEL 2 CORROSION FOUND IN BS 1350 BULKHEAD LOWER CAP PLATE ASSY AND FITTINGS AT BOTH LBL AND RBL 127, WL 160. REPAIRED CAP PLATE ASSEMBLY AND REPLACED FITTINGS.Feb 13, 1995 · N155UA · Boeing 747123 · Fuselage Main, BulkheadSDR 94UAL747083Spar Chord · corrodedAT APPROXIMATELY, BS 1000, LBL 80 - 84, AN AREA OF CORROSION WAS DISCOVERED ON THE WING CENTER SECTION FRONT SPAR INSTALLATION. THE CORROSION (LEVEL 2) EXISTED ON LOWER CHORD (P/N 65B 08234-2) AND REQUIRED MATERIAL REMOVAL THAT EXCEEDED MAX ALLOWABLE LIMITATIJan 3, 1995 · N154UA · Boeing 747123 · Wing Spar
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