# SDR AALA202211289264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 26, 2022
- Submitted: November 28, 2022
- Operation: Air carrier
- Aircraft: [N125AA](https://openairdocs.org/aircraft/N125AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6272
- Aircraft time: 25,890 hours, 7,954 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Selector Valve
- Part number: 114170009
- Part serial: CH1402416
- Condition: Defective
- Location: Mlg
- Stage of operation: AP
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202211289264

## Discrepancy

AIRCRAFT WAS GROUNDED: ON APROACH AT 2500" CREW PUT GEAR HANDLE DOWN AND GOT LANDING GEAR NOT DOWN / LOCKED ECAM MESSAGE. CREW FOLLOWED ECAM PROCEDURE AND ACCOMPLISHED A MANUAL GEAR EXTENSION. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE  GEAR SELECTOR VALVE ASSEMBLY AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 32-31-31.

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