# SDR DJFA2008001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2008
- Submitted: January 2, 2008
- Operation: Air carrier
- Aircraft: [N709TA](https://openairdocs.org/aircraft/N709TA), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK180
- Engine: Pwa JT15D5
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Part number: MS243311
- Condition: Erratic
- Location: Lt Mlg
- Part time: 7,844 hours, 6,477 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DJFA2008001

## Discrepancy

DURING CLIMB-OUT CREW REPORTED RED LIGHTS IN GEAR SELECT HANDLE ILLUMINATED FOLLOWED BY SLIGHT DECELERATION AND A THUMP.  CREW SUSPECTS THE GEAR EXTENDED AND RETRACTED UNCOMMANDED.  MAINTENANCE FOUND THE LT MLG UPLOCK SWITCH ERRATIC IN COLD TEMPERATURES.  THE SWITCH WAS REPLACED.

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