# SDR K11A2026092900393

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 29, 2026
- Submitted: September 29, 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: 62,873 hours, 33,449 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Module
- Part number: 65446915
- Part serial: 4469
- Condition: Intermittent
- 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/K11A2026092900393

## Discrepancy

RED LEFT GEAR LIGHT ON WITH GEAR LEVER UP IN FLIGHT. RED AND GREEN LEFT GEAR LIGHT ON WITH GEAR LEVER IN OFF POSITION. LEFT YOKE DEFLECTION IN FLIGHT WITH AIRFRAME VIBRATION. LEFT GEAR SHOWS DOWN IMMEDIATELY WHEN GEAR LEVER PUT IN DOWN POSITION.   COULD NOT DUPLICATE, PERFORMED MAIN LANDING GEAR OPS CHECK IAW AMM 32-32-00. REMOVED AND REPLACED MLG MODULAR PKG. OPS CHECK GOOD IAW AMM 32-32-51 AND 32-61-21. REPLACED MODULAR PKG AS PRECAUTION. AIRCRAFT HAS FLOWN THREE FLIGHT LEGS SINCE RELEASED AS OF 10/5/2026 WITH NO RE OCCURRENCES

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