# SDR AALA20160822002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2016
- Submitted: August 24, 2016
- Operation: Air carrier
- Aircraft: [N962AN](https://openairdocs.org/aircraft/N962AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30858
- Aircraft time: 46,430 hours, 19,290 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 1FA011342
- Condition: Faulted
- Location: 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/AALA20160822002

## Discrepancy

AFTER TAKE OFF, MLG WOULD NOT RETRACT.  DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE WITHOUT FURTHER INCIDENT.  THE AIRCRAFT WAS GROUNDED.  REPLACED THE LANDING GEAR SELECTOR VALVE IAW AMM 32-31-51. SYSTEM OPS CHECKED NORMAL IAW AMM 32-32-00-710-801.

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