# Service difficulty reports: N740CK

A list on [N740CK](https://openairdocs.org/aircraft/N740CK.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 3 · 146 reports

- [SDR KCSA2026100859](https://openairdocs.org/sdr/KCSA2026100859.md): Fire Warning · false activation · Oct 8, 2026 · N740CK · Boeing 7474H6 · Fire Detection
  > CARGO FIRE AFT. CORRECTIVE ACTION: NO SIGNS FIRE NOTED AND SUSPECTED ISSUE WAS DRY ICE CARRIED IAW CONDITIONAL INSPECTION B747 AMM 05-51-56, FIM 21-00 TASK 810 AND FIRE WARNING TEST. B747 AMM 26-11-00.
- [SDR KCSA2026093058](https://openairdocs.org/sdr/KCSA2026093058.md): Door · damaged · Sep 30, 2026 · N740CK · Boeing 7474H6 · Landing Gear Doors
  > GEAR DOOR EICAS. INSP & TROUBLESHOT IAW AMM 05-41-07, FIM 32-61, & AMM 32-61-00. DAMAGED LT BLG INBD DOOR & HARDWARE. ALL CHKD GOOD IAW AMM 32-61-00. NO DEFECTS. TWO AREAS OF DAMAGE ON LT BLG INBD DOOR. OTBD AFT SECONDARY DOOR SKIN & CLOSEOUT BEAM. TEMP RE
- [SDR KCSA202605271039](https://openairdocs.org/sdr/KCSA202605271039.md): Web · corroded · May 27, 2026 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > CORROSION FOUND ON FORWARD CARGO TORQUE BOX AT STA 660 APPROX
- [SDR KCSA202512121244](https://openairdocs.org/sdr/KCSA202512121244.md): Web · cracked · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER NDT INSPECTION A DEFECT NOTED ON HOLE AT BONDED WEB ASSEMBLY STA 2598 WL 265 AND RBL 39
- [SDR KCSA202512121243](https://openairdocs.org/sdr/KCSA202512121243.md): Tension Tie · cracked · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER NDT ACCOMPLISHED A HFEC OPEN INSPECTION ON TENSION TIE STA 1180 L/H SIDE FOUND 3 EA FASTENER HOLE WITH DEFECT INDICATION
- [SDR KCSA202512121242](https://openairdocs.org/sdr/KCSA202512121242.md): Tension Tie · cracked · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER NDT INSPECTION 3 EA FASTENER HOLES FOUND WITH DEFECT INDICATION ON TENSION TIE BS 1140 LT.
- [SDR KCSA202512121241](https://openairdocs.org/sdr/KCSA202512121241.md): Seat Track · corroded · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage, Seat/Cargo Attach Fittings
  > DURING " OK TO INSTALL " FOUND SEAT TRACK AT FUSELAGE STA 1960 RBL 11.33 WITH EXFOLIATION CORROSION AT THE LOWER SURFACE FLANGE
- [SDR KCSA202512121240](https://openairdocs.org/sdr/KCSA202512121240.md): Tension Tie · cracked · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER NDT INSPECTION FOUND TWO CRACKS ON TWO FASTENER HOLES AT TENSION TIE 1120 LT SIDE.
- [SDR KCSA202512121239](https://openairdocs.org/sdr/KCSA202512121239.md): Intercostal · cracked · Dec 12, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > A CRACK INDICATION WAS IDENTIFIED BETWEEN FASTENERS AT BL 0 BETWEEN STA 320 AND STA 340
- [SDR KCSA202512101238](https://openairdocs.org/sdr/KCSA202512101238.md): Fuel Tank · corroded · Dec 10, 2025 · N740CK · Boeing 7474H6 · Fuel Storage
  > CORROSION FOUND ON FUEL CTR TANK BETWEEN UPPER SKIN EDGE AND CANTED AREA MAIN DECK STA 1241, BL 0, NWL 175
- [SDR KCSA202512091237](https://openairdocs.org/sdr/KCSA202512091237.md): Power Supply · inoperative · Dec 9, 2025 · N740CK · Boeing 7474H6 · Emergency Lighting
  > EMERGENCY LIGHTS L5734 STA 498, L1382 STA 360, L5604 STA 470 WONT TURN ON.
- [SDR KCSA202512091236](https://openairdocs.org/sdr/KCSA202512091236.md): Skin · corroded · Dec 9, 2025 · N740CK · Boeing 7474H6 · Fuel Storage
  > CORROSION FOUND ON FUEL CTR TANK ON UPPER SKIN MAIN W/W UPPER SURFACE MAIN DECK STA 1241 LBL 2
- [SDR KCSA202512091235](https://openairdocs.org/sdr/KCSA202512091235.md): Reservoir · discharged · Dec 9, 2025 · N740CK · Boeing 7474H6 · Emergency Exits
  > EMERGENCY POWER RESEVOIR DISCHARGED (LH)
- [SDR KCSA202512051234](https://openairdocs.org/sdr/KCSA202512051234.md): Longeron Fitting · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Main, Longeron/Stringer
  > AFTER NDT INSPECTION PER W/O 740037417 EO 5313-23-02 FOUND 1 EA FASTENER HOLE WITH CRACK INDICATION ON STA 2598 STR 11 LONGERON L/H SIDE UPPER FITTING
- [SDR KCSA202512051233](https://openairdocs.org/sdr/KCSA202512051233.md): Tension Tie · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER TENSION TIE NDT INSPECTION FOUND 7 EA FASTENER HOLES WITH CRACK INDICATION ON STEEL PLATE STA 1180 R/H
- [SDR KCSA202512051232](https://openairdocs.org/sdr/KCSA202512051232.md): Plate · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Main, Structure
  > AFTER TENSION TIE NDT INSPECTION FOUND 8 EA FASTENER HOLES WITH CRACK INDICATION ON STEEL PLATE BS 1140 RT.
- [SDR KCSA202512051231](https://openairdocs.org/sdr/KCSA202512051231.md): Plate · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Main, Structure
  > AFTER TENSION TIE NDT INSPECTION FOUND 7 EA FASTENER HOLES WITH CRACK INDICATION ON STEEL PLATE BS 1220 RT.
- [SDR KCSA202512051230](https://openairdocs.org/sdr/KCSA202512051230.md): Plate · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFTER TENSION TIE NDT INSPECTION FOUND 7 EA FASTENER HOLES WITH CRACK INDICATIONS ON STEEL PLATE BS 1180 LT.
- [SDR KCSA202512051229](https://openairdocs.org/sdr/KCSA202512051229.md): Web · cracked · Dec 5, 2025 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > SEVERAL CRACKED PANELS IN AREA INSIDE OF THE FUSELAGE FWD OF NOSE GEAR WELL STA 140-180 L/H AND R/H LOCATIONS. 4 EA. WEBS
- [SDR KCSA202504261076](https://openairdocs.org/sdr/KCSA202504261076.md): Bulb · inoperative · Apr 26, 2025 · N740CK · Boeing 7474H6 · Emergency Lighting
  > MULTIPLE EMERGENCY LIGHTS ARE INOP ON UPPER DECK
- [SDR KCSA202501241003](https://openairdocs.org/sdr/KCSA202501241003.md): Light · no test · Jan 24, 2025 · N740CK · Boeing 7474H6 · Emergency Lighting
  > MULTIPLE UPPER DECK EMERGENCY LIGHTS TURN OFF AFTER 3 SECONDS OF OPERATION.
- [SDR KCSA202411091115](https://openairdocs.org/sdr/KCSA202411091115.md): Light · inoperative · Nov 9, 2024 · N740CK · Boeing 7474H6 · Emergency Lighting
  > U/D L/H EMERGENCY DOOR EMERGENCY LIGHTS INOP
- [SDR KCSA2024052417](https://openairdocs.org/sdr/KCSA2024052417.md): Smoke Detector · faulted · May 24, 2024 · N740CK · Boeing 7474H6 · Fire Detection
  > ON FINAL FOR 8R, AIRCRAFT LOWER CARGO FIRE WARNING ANNUNCIATED. FOLLOWED QRH AND DISCHARGED FIRE BOTTLES. PER B747-400 AMM 05-51-95 CONDITIONAL INSPECTION COMPLETED AND NO DEFECTS NOTED. CARGO DETECTOR AIRCRAFT 3 LOOP B FAIL. REPLACED CARGO AIRCRAFT 3 LOOP B
- [SDR KCSA202311141137](https://openairdocs.org/sdr/KCSA202311141137.md): Battery · inoperative · Nov 14, 2023 · N740CK · Boeing 7474H6 · Emergency Exits
  > PERFORMED EMERGENCY POWER RESERVOIR CHECK OPS CHECK FAILED R/H UPPER DOOR BATTERY INOP
- [SDR KCSA2023092736](https://openairdocs.org/sdr/KCSA2023092736.md): Snubber · failed · Sep 27, 2023 · N740CK · Boeing 7474H6 · Passenger/Crew Doors
  > L1 DOOR DIFFICULT TO OPEN AND CLOSE. FOUND ROTARY SNUBBER TO BE BAD, REMOVED AND REPLACED ROTARY SNUBBER IAW 747-400 AMM 52-11-10, OPERATIONS CHECKS NORMAL.
- [SDR KCSA202309151111](https://openairdocs.org/sdr/KCSA202309151111.md): Battery · inoperative · Sep 15, 2023 · N740CK · Boeing 7474B5 · Emergency Exits
  > LH UPPER DECK EMERGENCY ESCAPE DOOR BATTERY IS DEAD
- [SDR KCSA202309141110](https://openairdocs.org/sdr/KCSA202309141110.md): Seat Track · corroded · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage, Seat/Cargo Attach Fittings
  > POSSIBLE CORROSION ON SEAT TRACK AT STA 1670 RBL 12.
- [SDR KCSA202309141109](https://openairdocs.org/sdr/KCSA202309141109.md): Support Fitting · corroded · Sep 14, 2023 · N740CK · Boeing 7474H6 · Elevator Miscellaneous Structure
  > LH OB ELEVATOR REACTION HINGE SUPPORT FITTING IS CORRODED.
- [SDR KCSA202309141108](https://openairdocs.org/sdr/KCSA202309141108.md): Bulkhead · cracked · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage Main, Bulkhead
  > STA 2598 BLKHD R/H FWD INNER CHORD CRACKED AT 1 EA. LOCATION
- [SDR KCSA202309141107](https://openairdocs.org/sdr/KCSA202309141107.md): Stiffener · cracked · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > TOP STIFFENER CRACKED @ STATION 300 L/H SIDE AS MARKED
- [SDR KCSA202309141106](https://openairdocs.org/sdr/KCSA202309141106.md): Bulkhead · cracked · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage Main, Bulkhead
  > CRACK FOUND STA 2598 R/H SIDE IN INNER CHORD ADJACENT TO LOWEST INBOARD FASTENER HOLE AT INTERIM REPAIR
- [SDR KCSA202309141105](https://openairdocs.org/sdr/KCSA202309141105.md): Attach Angle · cracked · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage Main, Attach Fittings
  > #3 PYLON I/B SKIRT FAIRING ATTACH ANGLE HAS POSSIBLE CRACK
- [SDR KCSA202309141104](https://openairdocs.org/sdr/KCSA202309141104.md): Angle · cracked · Sep 14, 2023 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > AFT LOWER L-ANGLE CRACKED AT STA 440, STR 26 FWD SIDE OF R1 DOOR OPENING.
- [SDR KCSA202306261072](https://openairdocs.org/sdr/KCSA202306261072.md): Bottle · low pressure · Jun 26, 2023 · N740CK · Boeing 7474H6 · Escape Slide
  > L/H UPPER DECK ESCAPE SLIDE AFT BOTTLE LOW AFTER SERVICING.
- [SDR KCSA2023013102](https://openairdocs.org/sdr/KCSA2023013102.md): Cover · damaged · Jan 31, 2023 · N740CK · Boeing 7474H6 · Emergency Lighting
  > COVER HAS FALLEN OFF AND SHATTERED FROM FLIGHT DECK EMERGENCY ACCESS LIGHT AIRCRAFT OF P7. REMOVED AND REPLACED SHATTERED COVER ASSEMBLY IN ACCORDANCE WITH B747-400 AMM 33-11-11
- [SDR KCSA202211211213](https://openairdocs.org/sdr/KCSA202211211213.md): Light · inoperative · Nov 21, 2022 · N740CK · Boeing 7474H6 · Emergency Lighting
  > MULTIPLE EMERGENCY LIGHTS INOP
- [SDR KCSA202206271081](https://openairdocs.org/sdr/KCSA202206271081.md): Light · inoperative · Jun 27, 2022 · N740CK · Boeing 7474H6 · Emergency Lighting
  > R/H UPPER DECK DOOR EMERGENCY LIGHTS INOP
- [SDR KCSA202206271080](https://openairdocs.org/sdr/KCSA202206271080.md): Light · inoperative · Jun 27, 2022 · N740CK · Boeing 7474H6 · Emergency Lighting
  > L/H UPPER DECK DOOR EMERGENCY LIGHTS INOP
- [SDR KCSA202201061000](https://openairdocs.org/sdr/KCSA202201061000.md): Light · inoperative · Jan 6, 2022 · N740CK · Boeing 7474H6 · Emergency Lighting
  > RH UPPER DECK EMERGENCY ESCAPE DOOR EMERGENCY LIGHTS INOP
- [SDR KCSA202107301086](https://openairdocs.org/sdr/KCSA202107301086.md): Support Bracket · corroded · Jul 30, 2021 · N740CK · Boeing 7474H6 · Elevator Structure
  > RIGHT HAND ELEVATOR INBOARD ACTUATOR UPPER HINGE OUTBOARD SUPPORT BRACKET HAS EVIDENCE OF CORROSION
- [SDR KCSA202107301085](https://openairdocs.org/sdr/KCSA202107301085.md): Support Bracket · corroded · Jul 30, 2021 · N740CK · Boeing 7474H6 · Elevator Structure
  > RIGHT HAND ELEVATOR INBOARD ACTUATOR UPPER HINGE INBOARD SUPPORT BRACKETS HAS EVIDENCE OF CORROSION
- [SDR KCSA202107211084](https://openairdocs.org/sdr/KCSA202107211084.md): Stiffener · cracked · Jul 21, 2021 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > CRACKED STIFFENER ON NWW STA 310 RBL 10
- [SDR KCSA202107211083](https://openairdocs.org/sdr/KCSA202107211083.md): Stiffener · cracked · Jul 21, 2021 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > CRACKED STIFFENER ON NWW STA 310 LBL 10
- [SDR KCSA202107131082](https://openairdocs.org/sdr/KCSA202107131082.md): Frame · corroded · Jul 13, 2021 · N740CK · Boeing 7474H6 · Fuselage Main, Frame
  > FOUND EVIDENCE OF CORROSION ON MAIN DECK UNDER FLOOR BOARD STA 1480 LBL 20
- [SDR KCSA202106301078](https://openairdocs.org/sdr/KCSA202106301078.md): Stiffener · cracked · Jun 30, 2021 · N740CK · Boeing 7474H6 · Fuselage Miscellaneous Structure
  > 3 EA. CRACK INDICATIONS ON NWW AT STA 310 R/H WL 130, RADIUS OF STIFFENER
- [SDR KCSA202103031013](https://openairdocs.org/sdr/KCSA202103031013.md): Light · inoperative · Mar 3, 2021 · N740CK · Boeing 7474H6 · Emergency Lighting
  > UPPER DECK EMERGENCY LIGHT STA 644 INOP
- [SDR KCSA202005201064](https://openairdocs.org/sdr/KCSA202005201064.md): Light · inoperative · May 20, 2020 · N740CK · Boeing 7474H6 · Emergency Lighting
  > UPPER DECK AFT EMERGENCY LIGHT INOP
- [SDR KCSA202003041022](https://openairdocs.org/sdr/KCSA202003041022.md): Light · inoperative · Mar 4, 2020 · N740CK · Boeing 7474H6 · Emergency Lighting
  > L/H UPPER DECK DOOR EMERGENCY SLIDE LIGHTS INOP L2927 AND L2930
- [SDR KCSA202003041021](https://openairdocs.org/sdr/KCSA202003041021.md): Light · inoperative · Mar 4, 2020 · N740CK · Boeing 7474H6 · Emergency Lighting
  > R/H UPPER DECK DOOR EMERGENCY SLIDE LIGHTS INOP L2927 AND L2930
- [SDR KCSA201908281203](https://openairdocs.org/sdr/KCSA201908281203.md): Angle · corroded · Aug 28, 2019 · N740CK · Boeing 7474H6 · Cargo/Baggage Doors
  > LOWER INSIDE ANGLE OF AFT PIT CARGO DOOR HAS CORROSION IN MULTIPLE SPOTS

Next page: https://openairdocs.org/aircraft/N740CK/reports.md?page=2

## 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 = 'N740CK' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N740CK/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.