# Service difficulty reports: N405CK A list on [N405CK](https://openairdocs.org/aircraft/N405CK.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR K11A2026031700374](https://openairdocs.org/sdr/K11A2026031700374.md): Battery Pack · inoperative · Mar 17, 2026 · N405CK · Boeing 737436 · Emergency Lighting > DURING T/S FOUND L1 DOOR AND FLIGHT DECK ENTRY DOOR EMERGENCY LIGHTS INOP. REMOVED AND REPLACED LEFT HAND EMERGENCY LIGHT BATTERY PACK IAW B737 AMM 33-51-51 OPS CHECK GOOD - [SDR K11A2025042500315](https://openairdocs.org/sdr/K11A2025042500315.md): Warning Light · illuminated · Apr 25, 2025 · N405CK · Boeing 737436 · Door Warning System > ON THE RUNWAY CLEARED FOR TAKE-OFF, PER TAKE-OFF, AIRCRAFT WAS NOT MOVING, THROTTLE WAS NOT ADVANCING. CARGO DOOR ARMED LIGHT ILLUMINATED, REJECTED THE TAKE-OFF AND ADVISED TOWER NEEDED TO EXIT RUNWAY. WHEN EXCITED THE RUNWAY AND SET THE PARKING BRAKE THE LIGH - [SDR K11A2025030600302](https://openairdocs.org/sdr/K11A2025030600302.md): Landing · corroded · Jan 26, 2025 · N405CK · Boeing 737436 · Fuselage Main, Bulkhead > FUSELAGE FWD ACCESS DOOR CUTOUT AFT BULKHEAD STA 227.5 RBL 3 LOWER CHORD HAS EVIDENCE OF CORROSION. - [SDR K11A2025030300300](https://openairdocs.org/sdr/K11A2025030300300.md): Intercostal · corroded · Jan 26, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous Structure > INTERCOSTAL IN FORWARD ACCESS DOOR SURROUND AT STA 222 - 227.8 BL0 HAS EVIDENCE OF CORROSION. - [SDR K11A2025032700306](https://openairdocs.org/sdr/K11A2025032700306.md): Floor Support · damaged · Jan 22, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous Structure > AFT PIT FLOOR SUPPORT DAMAGED AT STA 727F LBL 18". - [SDR K11A2025032700305](https://openairdocs.org/sdr/K11A2025032700305.md): Frame · damaged · Jan 21, 2025 · N405CK · Boeing 737436 · Fuselage Main, Frame > E/E BAY BILGE FRAME AT STA 360 AND APPROX BETWEEN STRINGERS S28R TO S29R DAMAGED WHERE FRAME MEETS FUSELAGE SKIN. - [SDR K11A2025031100303](https://openairdocs.org/sdr/K11A2025031100303.md): Floor Support · damaged · Jan 20, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous Structure > FWD CARGO BILDGE LT C-TRACK DAMAGED AT STA 500C BL-S-26 - [SDR K11A2025030400301](https://openairdocs.org/sdr/K11A2025030400301.md): Floor Support · corroded · Jan 17, 2025 · N405CK · Boeing 737436 · Fuselage Miscellaneous Structure > AFT PIT STA 945 RBL 14" FLOOR SUPPORT HAS EVIDENCE OF CORROSION. - [SDR K11A2024121200295](https://openairdocs.org/sdr/K11A2024121200295.md): Anti-Ice Valve · inoperative · Dec 12, 2024 · N405CK · Boeing 737436 · Airfoil Anti/De-ice System > RIGHT VALVE OPEN, THERMAL ANTI-ICE VALVE REMAINS ON IN FLIGHT, SWITCH IN OFF POSITION. REMOVED AND REPLACED RIGHT WING ANTI-ICE SHUTOFF VALVE IAW B737 AMM 30-11-11, OPS CHECK GOOD NO DEFECTS NOTED. - [SDR K11A2023100900231](https://openairdocs.org/sdr/K11A2023100900231.md): Floorbeam · corroded · Aug 27, 2023 · N405CK · Boeing 737436 · Fuselage Main, Floor Beam > EVIDENCE OF CORROSION ON MAIN DECK FLOOR BEAM UPPER SURFACE AT STA 947.5 RBL 40. - [SDR K11A2023101300233](https://openairdocs.org/sdr/K11A2023101300233.md): Floorbeam · punctured · Aug 24, 2023 · N405CK · Boeing 737436 · Fuselage Main, Floor Beam > MAIN DECK FLOOR BEAM PUNCTURED AT VERTICAL WEB FOUND IN AFT CARGO PIT AT STA 727C RBL 5. - [SDR K11A2023092700229](https://openairdocs.org/sdr/K11A2023092700229.md): Unknown · corroded · Aug 24, 2023 · N405CK · Boeing 737436 · Fuselage Structure (General) > EVIDENCE OF CORROSION FOUND LH W/W CEILING CHORD LOWER SURFACE AT APPROX STA 707 LBL 5. - [SDR K11A2022090500158](https://openairdocs.org/sdr/K11A2022090500158.md): Switch · dirty · Sep 5, 2022 · N405CK · Boeing 737436 · Door Warning System > CARGO DOOR LIGHT ILLUMINATED AT FL 330, DESCENDED FOR LANDING, CARGO DOOR LIGHT EXTINGUISHED AT ABOUT 8000 FT MSL AND REMAINED OUT. LANDED AT KMEM FOR AN UNSCHEDULED LANDING. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: CLEANED & INSPECTED CARGO DOOR SWIT - [SDR K11A2022061700130](https://openairdocs.org/sdr/K11A2022061700130.md): Pressure System · failed · Jun 17, 2022 · N405CK · Boeing 737436 · Cabin Pressure Control System > CABIN ALTITUDE ALERT ON LOG PAGE 737-001-7778 AND SECOND FLIGHT LP 737-001-7779. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: LP 7778, R&R CABIN PRESSURE CONTROLLER IAW B737 AMM 21-31-21, OPS CHECKS GOOD NO DEFECTS NOTED. CORRECTIVE ACTION ON LP 7779 TROUB - [SDR K11A2021090800069](https://openairdocs.org/sdr/K11A2021090800069.md): Wire · broken · Sep 8, 2021 · N405CK · Boeing 737436 · Flight Control System Wiring > ON APPROACH FLAPS WOULD NOT EXTEND PAST 25 WITH FLAPS SELECTED 30, UPON LANDING FLAPS EXTENDED TO 30. R & R RELAY R123 IAW BSWPM 20-81-22 & ADJUSTED LT & RT FLAP TRANSMITTERS IAW AMM 27-51-00. PERFORMED FLAP POSITION INDICATING TEST IAW AMM 27-58-01. OPS CH - [SDR K11A2020092400020](https://openairdocs.org/sdr/K11A2020092400020.md): Indicator · failed · Sep 24, 2020 · N405CK · Boeing 737436 · Trailing Flap Position Indicating System > ON TAKEOFF FLAPS SELECTED UP, THE FLAP INDICATOR SPLIT WITH ONE FLAP AT 5 AND THE OTHER AT 1, FLAP STOPPED MOVING. CORRECTIVE ACTION & OTHER PERTINENT INFORMATION: R&R FLAP POSITION INDICATOR, OPS CHECK GOOD IAW B737 AMM 20-50-11 AND 27-58-01 REMOVED E1-1 RA - [SDR K11A2020021240504](https://openairdocs.org/sdr/K11A2020021240504.md): Flashlight · inoperative · Jan 14, 2020 · N405CK · Boeing 737436 · Emergency Equipment > 2 EA. FLIGHT ATTENDANT, CAPTAINS, & 1ST OFFICERS EMERGENCY FLASHLIGHTS DO NOT BLINK - [SDR K11A2020021240503](https://openairdocs.org/sdr/K11A2020021240503.md): Frame · cracked · Jan 6, 2020 · N405CK · Boeing 737436 · Fuselage Main, Frame > UPPER EDGE OF FRAME HAS A CRACK AFT PIT BILGE STA 727B BL 0 - [SDR K11A2020021240502](https://openairdocs.org/sdr/K11A2020021240502.md): Frame · cracked · Jan 3, 2020 · N405CK · Boeing 737436 · Fuselage Main, Frame > FRAME CRACKED IN AFT PIT AT EXISTING TOOLING HOLE STA 967 RBL 1 - [SDR K11A2020021240501](https://openairdocs.org/sdr/K11A2020021240501.md): Light · inoperative · Dec 31, 2019 · N405CK · Boeing 737436 · Emergency Lighting > EXIT LIGHT FWD OF R1 DOOR DOES NOT ILLUMINATE - [SDR K11A2019072040501](https://openairdocs.org/sdr/K11A2019072040501.md): Regulator · malfunctioned · Jul 20, 2019 · N405CK · Boeing 737436 · Pneumatic Distribution System > DURING CLIMB THE #2 BLEED TRIP OFF LIGHT ILLUMINATED. R&R HIGH STAGE REGULATOR IAW AMM 36-11-86. GROUND OPS AND LEAK CHECKED GOOD. ## 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 = 'N405CK' AND registry_match = 'registration' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/aircraft/N405CK/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.