Boeing 747-481F

Service difficulty reports · 167

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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 = '747481F'
  ORDER BY difficulty_date DESC"

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SDR KCSA202610141226Battery · inoperativeUPPER DECK AFT TWO EMERGENCY LIGHTS INOPOct 14, 2026 · N766CK · Boeing 747481F · Emergency LightingSDR UIEA2026092300914Fitting · corrodedDURING THE REMOVAL OF THE RH BODY GEAR AND THE 4 BOLTS THAT HOLD THE INBOARD TRUNNION BEARING, FOUND THE LOWER BEARING CAP WITH FRETTING CORROSION IN THE INBOARD SIDE.(<P>ACCOMPLISHED MAJOR REPAIR/REPLACEMENT OF RH BODY LANDING GEAR LOWER BEARING CAP DUE TO THSep 25, 2026 · N404KZ · Boeing 747481F · Fuselage, Landing Gear Attach FittingsSDR UIEA2026092300913Skin · dentedRH WING INBOARD AND AFT FLAP LOWER SURFACE HAS A DENT ABOUT WBL 340.(<P>ACCOMPLISHED MAJOR REPAIR OF RH INBOARD AND AFT FLAP LOWER SURFACE. HOT-BONDED METAL-TO-METAL REPAIR IAW SRM 57-53-01-2R-1 REPAIR 1 DETAIL III FIG 201, SHEET 4 TABLE III FIG 201, SHEET 10 Sep 25, 2026 · N404KZ · Boeing 747481F · Trailing Edge FlapsSDR KCSA2026090253Battery Pack · inoperativeWHILE WORKING A LIGHTING ISSUE, FME DISCOVERED CENTER EMERGENCY LIGHTING ON CEILING EXIT LIGHT DOES NOT ILLUMINATE W/ EMERGENCY LIGHTS ON. REMOVED BATTERY PACK & REINSTALLED IAW B747-400 AMM 33-51-00, REPLACED BATTERY POWER SUPPLY FUSES IAW AMM 33-51-00 & TESSep 2, 2026 · N766CK · Boeing 747481F · Emergency LightingSDR UIEA2026082800820Position Unit · faultedAFTER TAKEOFF ON INITIAL CLIMB, GEAR TILT, EICAS MSG. RT BODY GEAR DID NOT RETRACT AND TILT INDICATION. COMPLETED CHECKLIST. MSG APPEARED AFTER GEAR RETRACTION STARTED. R & R RT BODY GEAR TRUCK POSITIONER IAW AMM 32-13-15/401 & IPC 32-13-11-01. OPS & LEAK CHAug 28, 2026 · N404KZ · Boeing 747481F · Landing Gear Position and WarningSDR KCSA202607281104Lamp · inoperativeEMERGENCY LIGHT OUTJul 28, 2026 · N766CK · Boeing 747481F · Emergency LightingSDR KCSA202607281103Shear Tie · crackedBS 1000 FRONT SPAR SHEAR TIE AND INTERCOSTAL LUG FITTING INSPECTION AND REPAIR.Jul 28, 2026 · N766CK · Boeing 747481F · Fuselage Internal Mounting StructureSDR KCSA202607281102Tension Tie · crackedDURING E.O. 5312-21-01, DEFECT SIGNAL FOUND AT BS 740 L/H TENSION TIE CHANNEL FWDJul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202607281101Tension Tie · crackedDURING E.O. 5312-21-01, DEFECT SIGNAL FOUND AT BS 740 RT TENSION TIE AFT CHANNELJul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202607281100Tension Tie · crackedDURING EO 5312-21-01, DEFECT SIGNAL FOUND AT LT BS 720 TENSION TIE AFT CHANNELJul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA2026071540Circuit Breaker · trippedAC DIST P6 BREAKER POP INFLIGHT W/ ASSOCIATED EICAS MESSAGES. PERFORMED INSPECTION OF AC DIST P6 BREAKER AND ASSOCIATED WIRING, NO DEFECTS FOUND IAW B747-400 AMM 20-60-03. PERFORMED AUTOLAND UNIQUE GROUND TEST IAW AMM 22-10-00. ALL CHECKS SATISFACTORY, NO DEJul 15, 2026 · N768CK · Boeing 747481F · Autopilot SystemSDR UIEA2026062800550Wire · damagedFIRE APU WARNING MSG. DISCHARGED BOTTLE. REF WDM 26-15-11-1 INSPECTED AND FOUND W720-452-18R AND W720-451-18R SHORTED TO EACH OTHER UNDER CLAMP. REPAIRED WIRES PER SWPM 20-30-12. FIRE SYSTEM TEST PASSED FOR APU LOOPS A ND B PER AMM 26-15-00-735-009. </P>)Jun 27, 2026 · N404KZ · Boeing 747481F · Fire Protection System WiringSDR KCSA202605121038Escape Reel · damagedNR 1 EMERGENCY DESCENT DEVICE REQUIRES REPLACEMENTMay 12, 2026 · N767CK · Boeing 747481F · Emergency EquipmentSDR KCSA2026032512Escape Reel · unserviceableNR 1 EMERGENCY DESCENT DEVICE DEPLOYED. R & R EMERGENCY DESCENT DEVICE IAW AMM 25-61-01. NO DEFECTS NOTED. CHECKS GOOD. NR 2 EMERGENCY DESCENT DEVICE DEPLOYED. R&R EMERGENCY DESCENT DEVICE IAW AMM 25-61-01. NO DEFECTS NOTED. CHECKS GOOD. NR 3 EMERGENCY DEMar 25, 2026 · N766CK · Boeing 747481F · Emergency EquipmentSDR KCSA202512241576Escape Reel · unwanted deploySUSPECTED HARD LANDING. NG TOUCHDOWN. A/T: PERFORMED HARD LANDING COND INSP IAW B747-400 AMM 05-51-05, NDN AT THIS TIME. MULTIPLE EMERGENCY DESCENT DEVICES DEPLOYED. A/T: TRFD TO DMI 100265286 IAW MEL 25-61-1-1-1 CAT C. DECENT DEVICES R & R IAW AMM 25-61-01.Dec 15, 2025 · N768CK · Boeing 747481F · Emergency EquipmentSDR KCSA2025100954Manifold · crackedNR 3 ENG FAILED, STABLE/NO VIBRATIONS, N1-26.9, OIL PSI 9 PSI 1 MIN THEN ABOVE 10 PSI. N2-26.2, TIME OF FAIL 2243 IN THE CLIMB. IAW FIM 73-00 FIG 114 FAULT TREE PERFD ENG FUEL SUCTION FEED OPS TEST IAW AMM 28-22-00. OPS CHK FAILED. NO FUEL FLOW IND ON START UOct 7, 2025 · N767CK · Boeing 747481F · Engine Fuel DistributionSDR KCSA2025080242Handle · looseDOOR FLIGHT DECK OVERHEAD. FOUND FLIGHT DECK OVERHEAD DOOR/HATCH HANDLE (INTERIOR) SLIGHTLY IN THE OPEN POSITION. OPEN AND CLOSED OVERHEAD HATCH FROM THE INSIDE IAW KA B747-400 AMM 52-21-00. OPERATIONS CHECKED GOOD. NO DEFECTS NOTED. OK TO CONTINUE IN SERVICEAug 2, 2025 · N766CK · Boeing 747481F · Emergency ExitsSDR KCSA2025061933Handle · unsecure100253584 - DOOR FLIGHT DECK OVERHEAD ON LANDING. FOUND FLIGHT DECK OVERHEAD DOOR HANDLE TO BE SLIGHTLY OPEN, OPENED AND CLOSED FLIGHT DECK OVERHEAD DOOR. ALL CHECKS GOOD IAW B747-400 AMM 52-21-00. MESSAGE CLEARED.Jun 19, 2025 · N766CK · Boeing 747481F · Emergency ExitsSDR KCSA202505161079Bulb · inoperativeAFT L1 DOOR SILL EMERGENCY LIGHT IS INOP.May 16, 2025 · N768CK · Boeing 747481F · Emergency LightingSDR KCSA202505013019Proximity Switch · faultedGEAR TILT ON TAKEOFF ADVISORY MESSAGE. PERFORMED OPERATIONAL TEST OF PROXIMITY SWITCH ELECTRONIC UNIT IAW B747-400 AMM 32-09-03 OPERATIONAL CHECKED PASS.Apr 30, 2025 · N768CK · Boeing 747481F · Landing Gear Position and WarningSDR KCSA2025041716Nacelle · damagedLANDING HARD ENGINE POD STRICK #4. FOUND DAMAGE ON ENGINE 4 INBOARD FAN COWL AND THRUST REVERSER, OUTBOARD FAN AND THRUST REVERSER INSPECTED ENGINE 4 IAW B747-400 AMM 05-51-06 NO OTHER DAMAGE FOUND. REPAIRED AND COMPLIED WITH DAMAGE FOUND IAW 500 14052 AND SRApr 17, 2025 · N768CK · Boeing 747481F · Nacelle/Pylon, Main FrameSDR KCSA202504161075Battery Pack · inoperativeAFT EMERGENCY LIGHTS AND EXTERIOR SLIDE LIGHT INOPApr 16, 2025 · N766CK · Boeing 747481F · Emergency LightingSDR KCSA202502191016Trunnion · corrodedDURING INSPECTION OF WING LANDING GEAR RH AFT TRUNNION, FOUND SIGNS OF CORROSION AT AFT TRUNNION WHERE THE TRUNNION SLEVE BEGINS.Feb 19, 2025 · N768CK · Boeing 747481F · Fuselage, Landing Gear Attach FittingsSDR KCSA202502181015Attach Angle · crackedCREASE BEAM LOWER ATTACHMENT ANGLE INSIDE RADIUS CRACKED FWD SIDE OF STATION 960 NEXT TO STRINGER 7-LFeb 18, 2025 · N768CK · Boeing 747481F · Fuselage Main, Attach FittingsSDR KCSA202502181014Tension Tie · crackedCRACK INDICATION ON RH SIDE STA 740 TENSION TIES CHANNELS.Feb 18, 2025 · N768CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202502181013Tension Tie · crackedAFTER NDT INSPECTION FOUND A CRACK AT RH SIDE STA 720 IN AFT TENSION TIE CHANNEL O/B AFT FASTENER HOLE.Feb 18, 2025 · N768CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202502181012Tension Tie · crackedCRACK INDICATION ON LH SIDE STA 740 TENSION TIES CHANNELS.Feb 18, 2025 · N768CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202502041006Light · inoperativeUPPER DECK 2ND FROM AFT EMERGENCY LIGHT INOPFeb 4, 2025 · N766CK · Boeing 747481F · Emergency LightingSDR KCSA202502041005Light · inoperativeUPPER DECK AFT EMERGENCY LIGHT INOPFeb 4, 2025 · N766CK · Boeing 747481F · Emergency LightingSDR KCSA202502041004Light · inoperativeUPPER DECK EMERGENCY EXIT SIGN INOPFeb 4, 2025 · N766CK · Boeing 747481F · Emergency LightingSDR KCSA202410021113Intercostal · crackedCRACK ON L/H INTERCOSTAL LOWER CAP STA 960-980, BETWEEN STRINGER 7 AND 6Oct 2, 2024 · N767CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202410021112Crease Beam · crackedCRACK ON CREASE BEAM WEB L/H SIDE, STA 980-997 BETWEEN STRINGER 4 AND 5Oct 2, 2024 · N767CK · Boeing 747481F · Fuselage Main, StructureSDR KCSA202410021111Crease Beam · crackedCRACK ON CREASE BEAM WEB R/H SIDE, STA 980-997 BETWEEN STRINGER 4 AND 5Oct 2, 2024 · N767CK · Boeing 747481F · Fuselage Main, StructureSDR KCSA202409261110Shear Tie · crackedINTERCOSTAL SHEAR TIE AT STA 1000 LBL 75.92 HAS A CRACK INDICATION AT TOP STANDOFF FASTENERSep 26, 2024 · N767CK · Boeing 747481F · Fuselage Internal Mounting StructureSDR KCSA202409261109Lug · crackedINTERCOSTAL LUG FITTING AT STA 1000 RBL 11.33 HAS A CRACK INDICATION ON O/B SIDESep 26, 2024 · N767CK · Boeing 747481F · Fuselage Main, Attach FittingsSDR UIEA2024081200826Hydraulic System · leakingRTB - AFTER TAKEOFF. SYS 4 HYDS FAILED. FLUID LEVEL 0. A/C WOULD NOT PRESSURIZE. DURING FUEL DUMP FOR RETURN. SYS 1 LOST ALL REMAINING FLUID. SYS 2 HYD FLUID LEVEL DECREASING (DID NOT GO TO 0). ON LANDING. FOUND LH MLG WHEELS 7 & 8 BLOWN. R/R #7 & #8 IAAug 12, 2024 · N404KZ · Boeing 747481F · Hydraulic System, MainSDR KCSA202405291067Pressure Deck · crackedMAIN DECK L/H CANTED PRESSURE DECK COMPOSITE CLOSE-OUT PANEL CRACKED STA 1240 LBL 82May 29, 2024 · N766CK · Boeing 747481F · Fuselage Main, StructureSDR KCSA202405231066Stiffener · crackedFWD CARGO PIT STIFFNER BELOW FRAME UPPER CHORD CRACKED STA 560 RBL 58May 23, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202405231065Pressure Deck · crackedCRACK ON CANTED PRESSURE DECK STA 1240 LBL 77May 23, 2024 · N766CK · Boeing 747481F · Fuselage Main, StructureSDR KCSA202405211064Trunnion · corrodedR/H BODY LANDING GEAR I/B TRUNNION CAP HAS EVIDENCE OF CORROSIONMay 21, 2024 · N766CK · Boeing 747481F · Fuselage, Landing Gear Attach FittingsSDR KCSA202405211063Trunnion · corrodedL/H BODY LANDING GEAR I/B TRUNNION CAP HAS CORROSION ON THE SPOT FACEMay 21, 2024 · N766CK · Boeing 747481F · Fuselage, Landing Gear Attach FittingsSDR KCSA202405171062Frame Angle · crackedCRACKED FRAME ATTACH ANGLE ON L/H CREASE BEAM AT BS 960 STRINGER 7May 17, 2024 · N766CK · Boeing 747481F · Fuselage Main, FrameSDR KCSA202405171061Pressure Deck · crackedMAIN DECK R/H CANTED PRESSURE DECK COMPOSITE CLOSE OUT PANEL CRACKED STA 1240 RBL 82May 17, 2024 · N766CK · Boeing 747481F · Fuselage Main, StructureSDR KCSA202405171060Fitting · crackedSTA 1000 FRONT SPAR INTERCOSTAL LUG FITTING AT RBL 11.33 CRACKEDMay 17, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202405171059Fitting · crackedSTA 1000 FRONT SPAR INTERCOSTAL LUG FITTING AT LBL 11.33 CRACKEDMay 17, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous StructureSDR KCSA202405161058Hinge Bracket · crackedLOWER FWD CARGO DOOR AFT DOOR HINGE BRACKET HAS EVIDENCE OF A CRACK.May 16, 2024 · N766CK · Boeing 747481F · Fuselage, Door HingeSDR KCSA202405161057Hinge Bracket · crackedLOWER FWD CARGO DOOR FWD DOOR HINGE BRACKET HAS EVIDENCE OF A CRACK.May 16, 2024 · N766CK · Boeing 747481F · Fuselage, Door HingeSDR KCSA20240223209Smoke Detector · unknownFIRE MAIN DECK MIDDLE. REMOVED AND REPLACED SMOKE SENSOR ZONE 9 LOOP A IN ACCORDANCE WITH B747 AMM 26-14-01 OPERATIONS TEST GOOD AT THIS TIME.Feb 22, 2024 · N767CK · Boeing 747481F · Smoke DetectionSDR KCSA20240123104Escape Reel · usedESCAPE REEL # 6 EXTENDED. REMOVED AND REPLACED #6 ESCAPE REEL. ALL CHECKS GOOD IAW B747-400 AMM 25-61-01. ESCAPE REEL # 7 EXTENDED. REMOVED AND REPLACED #7 ESCAPE REEL. ALL CHECKS GOOD IAW B747-400 AMM 25-61-01. #7 OFF PART NUMBER: 379103D-23 OFF PART SERIALJan 21, 2024 · N768CK · Boeing 747481F · Emergency EquipmentSDR UIEA2023120200972Seal · unknownENGINE 4 OIL QUANTITY 0% IN FLIGHT(<P>OIL LEAKING AT IDG ENG #4. REMOVED THE IDG IAW AMM 24-11-01. REPLACED IDG CARBON SEAL ASSY IAW AMM 72-64-02-404-018-J00 REV 109. PERFORMED ENG #4 RUN UP TO 81% N2 FOR 16 MINUTES IAW AMM 71-00-00 REV 109, SATISFACTORY. NO ODec 2, 2023 · N404KZ · Boeing 747481F · Engine Oil System (Airframe Furnished)
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