# SDR 04052005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2005
- Submitted: April 5, 2005
- Operation: Air carrier
- Aircraft: [N548GA](https://openairdocs.org/aircraft/N548GA), registered now
- Make and model: Cessna 402C
- Registry model: [Cessna 402C](https://openairdocs.org/model/cessna-402c) (OpenAirDocs)
- Aircraft serial: 402C0653
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Part number: 602EN556B
- Condition: Inoperative
- Location: Nlg
- Stage of operation: TO
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/04052005

## Discrepancy

AIRCRAFT HAD THE HYDRAULIC LIGHT REMAIN ILLUMINATED AFTER GEAR RETRACTION. MAINTENANCE WAS UNABLE TO DUPLICATE, THE LT DOWNLOCK SWITCH WAS RESEALED AND LUBRICATED, FLIGHT CHECK UNSATISFACTORY, STILL UNABLE TO DUPLICATE ON GROUND, REPLACED NOSE UPLOCK SWITCH AND ADJUSTED LT UPLOCK SWITCH AND FLIGHT CHECKED GOOD.

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