# SDR MASA2010121701491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2010
- Submitted: December 17, 2010
- Operation: Air carrier
- Aircraft: N939LR
- Make and model: Cndair CL6002D24
- Aircraft serial: 15039
- Aircraft time: 13,871 hours, 11,195 cycles
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Selector Valve
- Part number: 533407
- Part serial: NGL139204
- Condition: Malfunctioned
- Location: Landing Gear
- Part time: 13,858 hours, 10,171 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MASA2010121701491

## Discrepancy

GEAR DISAGREE DURING RETRACT, AIRCRAFT RETURNED TO FIELD.  MX REPLACED SELECTOR VALVE, GEAR SWING GOOD.

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