# SDR MALA030186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2003
- Submitted: March 4, 2003
- Operation: Air carrier
- Aircraft: [N27XJ](https://openairdocs.org/aircraft/N27XJ), registered now
- Make and model: Saab SF340A
- Registry model: [Saab SF340A](https://openairdocs.org/model/saab-scania-sf340a) (OpenAirDocs)
- Aircraft serial: 340A027
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Condition: Frozen
- Location: Mlg
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MALA030186

## Discrepancy

DURING FLIGHT 3329, GEAR INTRANSIT LIGHT WOULD NOT EXTINGUISH WHEN GEAR SELECTED UP POSITION HYDRAULIC PUMP SEEMS TO WORK NORMALLY.  MAINTENANCE FOUND LT MAIN GEAR UPLOCK SWITCH FROZEN.  CLEANED SWITCH, CYCLED LANDING GEAR 5 TIMES IAW SAAB AMM 32-30-00.  ALL CHECKS GOOD.

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