# SDR K11A2026100600394

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2026
- Submitted: October 6, 2026
- Operation: Air carrier
- Aircraft: [N730CK](https://openairdocs.org/aircraft/N730CK), registered now
- Make and model: Boeing 737-4C9
- Registry model: [Boeing 737-4C9](https://openairdocs.org/model/boeing-737-4c9) (OpenAirDocs)
- Aircraft serial: 26437
- Aircraft time: 62,878 hours, 33,454 cycles
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Actuator
- Part number: 65C329564
- Part serial: TSC154
- Condition: Failed
- Location: Zone 700
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/K11A2026100600394

## Discrepancy

RED LEFT GEAR LIGHT STAYED ON WITH GEAR LEVER IN THE UP POSITION IN FLIGHT, RED AND GREEN LIGHT BOTH ON WITH GEAR LEVER IN THE OFF POSITION IN FLIGHT. LEFT GEAR SHOWS DOWN WHEN GEAR LEVER PUT IN DOWN POSITION REF LOG PAGE 737-004-5748.  REMOVE AND REPLACED THE MAIN LANDING GEAR ACTUATOR ASSEMBLY IAW B737-400 AMM 32-32-11-004-018 AND AMM 32-32-11-404-017 AND OPERATION TEST SATISFACTORY

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