# SDR SWAA2012022401668

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2012
- Submitted: February 24, 2012
- Operation: Air carrier
- Aircraft: [N625SW](https://openairdocs.org/aircraft/N625SW), registered now
- Make and model: Boeing 737-3H4
- Registry model: [Boeing 737-3H4](https://openairdocs.org/model/boeing-737-3h4) (OpenAirDocs)
- Aircraft serial: 27701
- Aircraft time: 51,503 hours, 41,880 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Modulating Valve
- Part number: 65446915
- Part serial: 3798
- Condition: Faulty
- Location: Rt Mlg
- 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/SWAA2012022401668

## Discrepancy

AIR TURNBACK - AFTER TAKEOFF AND PUTTING LIGHT TO OFF POSITION, RT MLG FELL TO DOWN POSITION (GREEN LIGHT).  LANDED NORMAL.  REMOVED AND REPLACED RT MLG PRIORITY MODULAR VALVE PER MM.

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