# SDR 2004UALA00688

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 22, 2004
- Submitted: July 27, 2004
- Operation: Air carrier
- Aircraft: [N459UA](https://openairdocs.org/aircraft/N459UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1192
- Aircraft time: 14,805 hours, 5,512 cycles
- Engine: Iae V2527A5
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Landing Gear
- Condition: Malfunctioned
- Location: Mains
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00688

## Discrepancy

MANUAL GEAR EXTENSION ON APPROACH. UNABLE TO OBTAIN THREE DOWN AND LOCKED INDICATION.  LANDED WITHOUT INCIDENT.   LANDING GEAR SAFETY VALVE FAILED. REPLACED THE SAFETY VALVE. OPERATIONS CHECK NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.