# Service difficulty reports: N766CK A list on [N766CK](https://openairdocs.org/aircraft/N766CK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR KCSA202610141226](https://openairdocs.org/sdr/KCSA202610141226.md): Battery · inoperative · Oct 14, 2026 · N766CK · Boeing 747481F · Emergency Lighting > UPPER DECK AFT TWO EMERGENCY LIGHTS INOP - [SDR KCSA2026090253](https://openairdocs.org/sdr/KCSA2026090253.md): Battery Pack · inoperative · Sep 2, 2026 · N766CK · Boeing 747481F · Emergency Lighting > WHILE 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 & TES - [SDR KCSA202607281104](https://openairdocs.org/sdr/KCSA202607281104.md): Lamp · inoperative · Jul 28, 2026 · N766CK · Boeing 747481F · Emergency Lighting > EMERGENCY LIGHT OUT - [SDR KCSA202607281103](https://openairdocs.org/sdr/KCSA202607281103.md): Shear Tie · cracked · Jul 28, 2026 · N766CK · Boeing 747481F · Fuselage Internal Mounting Structure > BS 1000 FRONT SPAR SHEAR TIE AND INTERCOSTAL LUG FITTING INSPECTION AND REPAIR. - [SDR KCSA202607281102](https://openairdocs.org/sdr/KCSA202607281102.md): Tension Tie · cracked · Jul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > DURING E.O. 5312-21-01, DEFECT SIGNAL FOUND AT BS 740 L/H TENSION TIE CHANNEL FWD - [SDR KCSA202607281101](https://openairdocs.org/sdr/KCSA202607281101.md): Tension Tie · cracked · Jul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > DURING E.O. 5312-21-01, DEFECT SIGNAL FOUND AT BS 740 RT TENSION TIE AFT CHANNEL - [SDR KCSA202607281100](https://openairdocs.org/sdr/KCSA202607281100.md): Tension Tie · cracked · Jul 28, 2026 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > DURING EO 5312-21-01, DEFECT SIGNAL FOUND AT LT BS 720 TENSION TIE AFT CHANNEL - [SDR KCSA2026032512](https://openairdocs.org/sdr/KCSA2026032512.md): Escape Reel · unserviceable · Mar 25, 2026 · N766CK · Boeing 747481F · Emergency Equipment > NR 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 DE - [SDR KCSA2025080242](https://openairdocs.org/sdr/KCSA2025080242.md): Handle · loose · Aug 2, 2025 · N766CK · Boeing 747481F · Emergency Exits > DOOR 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 SERVICE - [SDR KCSA2025061933](https://openairdocs.org/sdr/KCSA2025061933.md): Handle · unsecure · Jun 19, 2025 · N766CK · Boeing 747481F · Emergency Exits > 100253584 - 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. - [SDR KCSA202504161075](https://openairdocs.org/sdr/KCSA202504161075.md): Battery Pack · inoperative · Apr 16, 2025 · N766CK · Boeing 747481F · Emergency Lighting > AFT EMERGENCY LIGHTS AND EXTERIOR SLIDE LIGHT INOP - [SDR KCSA202502041006](https://openairdocs.org/sdr/KCSA202502041006.md): Light · inoperative · Feb 4, 2025 · N766CK · Boeing 747481F · Emergency Lighting > UPPER DECK 2ND FROM AFT EMERGENCY LIGHT INOP - [SDR KCSA202502041005](https://openairdocs.org/sdr/KCSA202502041005.md): Light · inoperative · Feb 4, 2025 · N766CK · Boeing 747481F · Emergency Lighting > UPPER DECK AFT EMERGENCY LIGHT INOP - [SDR KCSA202502041004](https://openairdocs.org/sdr/KCSA202502041004.md): Light · inoperative · Feb 4, 2025 · N766CK · Boeing 747481F · Emergency Lighting > UPPER DECK EMERGENCY EXIT SIGN INOP - [SDR KCSA202405291067](https://openairdocs.org/sdr/KCSA202405291067.md): Pressure Deck · cracked · May 29, 2024 · N766CK · Boeing 747481F · Fuselage Main, Structure > MAIN DECK L/H CANTED PRESSURE DECK COMPOSITE CLOSE-OUT PANEL CRACKED STA 1240 LBL 82 - [SDR KCSA202405231066](https://openairdocs.org/sdr/KCSA202405231066.md): Stiffener · cracked · May 23, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > FWD CARGO PIT STIFFNER BELOW FRAME UPPER CHORD CRACKED STA 560 RBL 58 - [SDR KCSA202405231065](https://openairdocs.org/sdr/KCSA202405231065.md): Pressure Deck · cracked · May 23, 2024 · N766CK · Boeing 747481F · Fuselage Main, Structure > CRACK ON CANTED PRESSURE DECK STA 1240 LBL 77 - [SDR KCSA202405211064](https://openairdocs.org/sdr/KCSA202405211064.md): Trunnion · corroded · May 21, 2024 · N766CK · Boeing 747481F · Fuselage, Landing Gear Attach Fittings > R/H BODY LANDING GEAR I/B TRUNNION CAP HAS EVIDENCE OF CORROSION - [SDR KCSA202405211063](https://openairdocs.org/sdr/KCSA202405211063.md): Trunnion · corroded · May 21, 2024 · N766CK · Boeing 747481F · Fuselage, Landing Gear Attach Fittings > L/H BODY LANDING GEAR I/B TRUNNION CAP HAS CORROSION ON THE SPOT FACE - [SDR KCSA202405171062](https://openairdocs.org/sdr/KCSA202405171062.md): Frame Angle · cracked · May 17, 2024 · N766CK · Boeing 747481F · Fuselage Main, Frame > CRACKED FRAME ATTACH ANGLE ON L/H CREASE BEAM AT BS 960 STRINGER 7 - [SDR KCSA202405171061](https://openairdocs.org/sdr/KCSA202405171061.md): Pressure Deck · cracked · May 17, 2024 · N766CK · Boeing 747481F · Fuselage Main, Structure > MAIN DECK R/H CANTED PRESSURE DECK COMPOSITE CLOSE OUT PANEL CRACKED STA 1240 RBL 82 - [SDR KCSA202405171060](https://openairdocs.org/sdr/KCSA202405171060.md): Fitting · cracked · May 17, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > STA 1000 FRONT SPAR INTERCOSTAL LUG FITTING AT RBL 11.33 CRACKED - [SDR KCSA202405171059](https://openairdocs.org/sdr/KCSA202405171059.md): Fitting · cracked · May 17, 2024 · N766CK · Boeing 747481F · Fuselage Miscellaneous Structure > STA 1000 FRONT SPAR INTERCOSTAL LUG FITTING AT LBL 11.33 CRACKED - [SDR KCSA202405161058](https://openairdocs.org/sdr/KCSA202405161058.md): Hinge Bracket · cracked · May 16, 2024 · N766CK · Boeing 747481F · Fuselage, Door Hinge > LOWER FWD CARGO DOOR AFT DOOR HINGE BRACKET HAS EVIDENCE OF A CRACK. - [SDR KCSA202405161057](https://openairdocs.org/sdr/KCSA202405161057.md): Hinge Bracket · cracked · May 16, 2024 · N766CK · Boeing 747481F · Fuselage, Door Hinge > LOWER FWD CARGO DOOR FWD DOOR HINGE BRACKET HAS EVIDENCE OF A CRACK. - [SDR KCSA202311291148](https://openairdocs.org/sdr/KCSA202311291148.md): Light · inoperative · Nov 29, 2023 · N766CK · Boeing 747481F · Emergency Lighting > EMERGENCY LIGHTS AT L1 DOOR DO NOT OPERATE ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 n_number = 'N766CK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N766CK/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.