# SDR YENA20130501092

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2013
- Submitted: May 3, 2013
- Operation: Air carrier
- Aircraft: [N552JB](https://openairdocs.org/aircraft/N552JB), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1861
- Aircraft time: 41,998 hours, 15,080 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Safety Valve
- Part number: 1905A000001
- Part serial: 02269
- Condition: Failed
- Location: Landing Gear
- Part time: 42,017 hours, 15,082 cycles
- Stage of operation: LD
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA20130501092

## Discrepancy

FLT 634 SFO-BOS, CREW DECLARED AN EMERGENCY DUE TO GEAR DID NOT EXTEND HAD TO DO MANUAL EXTENSION.  ALSO HAD A L/G NOT DOWN AND LOCKED ECAM.  PER TSM 32-31-00-810-808-A FOUND ISOLATION/SAFETY VALVE TO BE AT FAULT.  REMOVED AND REPLACED ISOLATION/SAFETY VALVE PER AMM 32-31-17.  OPS AND LEAK CHECK GOOD.

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