# SDR CA111115006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 5, 2011
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Bombdr DHC8400
- Engine: Pwc PW150A
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 483003
- Condition: Failed
- Location: Mlg
- Part time: 14,237 hours
- Stage of operation: AP
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA111115006

## Discrepancy

(CAN) WHEN LANDING GEAR SELECTED DOWN, 3 GEAR UNSAFE BUT NO MOVEMENT.  3 TO 4 MINUTES LATER ALL GEAR EXTENDED DOWN AND LOCKED AS NORMAL.  MAINTENANCE FOUND THE LANDING GEAR SELECT VALVE DOWN SOLENOID COIL OUT OF RANGE.  SELECTOR VALVE WAS REPLACED.

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