# SDR YENA2023051200509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 10, 2023
- Submitted: May 12, 2023
- Operation: Air carrier
- Aircraft: [N954JB](https://openairdocs.org/aircraft/N954JB), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 06725
- Aircraft time: 27,601 hours, 8,939 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Valve
- Part number: 1905A000001
- Part serial: 07499
- Condition: Failed
- Location: 49ga
- Part time: 27,601 hours, 8,939 cycles
- Stage of operation: LD
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023051200509

## Discrepancy

FLT#2469, BOS-FLL. 'L/G GEAR NOT DOWN LOCKED LDG GEAR GRAVITY EXTENSION; REMOVED AND REPLACED LANDING GEAR SAFETY VALVE PER AMM 32-31-17 LEAK CHECKS GOOD. REQUIRES OPS CHECK.'

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