# SDR AALA202203293700

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2022
- Submitted: March 29, 2022
- Operation: Air carrier
- Aircraft: [N770UW](https://openairdocs.org/aircraft/N770UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1393
- Aircraft time: 53,348 hours, 34,341 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Safety Valve
- Part number: S4340131004
- Part serial: 1701
- Condition: Defective
- Location: Zone 100 - Fuse
- Part time: 53,347 hours, 34,465 cycles
- Stage of operation: AP
- How discovered: V
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202203293700

## Discrepancy

AIRCRAFT WAS GROUNDED: LAND GEAR DOORS NOT CLOSED ECAM AFTER GEAR EXTENSION ** SUPPLEMENTAL REPORT FOR AALA202203283700: REPLACED LANDING GEAR SAFETY VALVE 49GA PER AMM 32-31-17. REPLACED LANDING GEAR DOOR SELECTOR VALVE 41GA PER AMM 32-31-34 (AALA202203298902) REPLACED LANDING GEAR SELECTOR VALVE 40GA PER AMM 33-31-12. (AALA202203298712) A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)

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