# SDR GUUA95632040711A

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2011
- Submitted: April 8, 2011
- Operation: Air carrier
- Aircraft: N81556
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE239
- Aircraft time: 27,186 hours, 35,031 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Downlock Switch
- Part number: 1003810061
- Condition: Shorted
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GUUA95632040711A

## Discrepancy

ON APPROACH, WHEN GEAR EXTENDED, LANDING GEAR INDICATOR CIRCUIT BREAKER TRIPPED AND LANDING GEAR HANDLE LIGHT UNABLE TO TEST, WHEN CIRCUIT BREAKER RESET 3 GREEN LOCK INDICATION AND THEN CIRCUIT BREAKER TRIPPED AGAIN.  REPLACED AND ADJUSTED NLG DOWNLOCK SWITCH OPS CHECKS GOOD.

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