# SDR SWIA201126289

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2011
- Submitted: May 20, 2011
- Operation: Air carrier
- Aircraft: [N447SW](https://openairdocs.org/aircraft/N447SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7677
- Aircraft time: 22,430 hours, 17,522 cycles
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Selector Valve
- Condition: Failed
- Location: Mlg
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201126289

## Discrepancy

BOTH MAIN GEARS WOULD NOT EXTEND.  (FLT 4494)  REPLACED MAIN LANDING GEAR SELECTOR VALVE AND REPLACED MAIN LANDING GEAR PRIORITY VALVE.  P/N 4619-1, P/N OFF 4619-3, P/N 750005000, S/N OFF 0937.

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