# SDR UALA2010082603150

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2010
- Submitted: August 27, 2010
- Operation: Air carrier
- Aircraft: [N479UA](https://openairdocs.org/aircraft/N479UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1538
- Aircraft time: 29,723 hours, 13,224 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Washer
- Condition: Out Of Tolerance
- Location: Oxygen System
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010082603150

## Discrepancy

VERIFIED NR O2 LEAK AT LT SIDE CAPTAIN'S.  SECOND OBSERVER O2 MASKS CHANGED OUT FROM AC 4101 DOWN TO LT SIDE FLOOR LEVEL T-FITTING.  CHANGED OUT CAPT'S AND SECOND OBSERVER'S STOWAGE BOX 5774HM, 10RN1 COPPER RING CONICAL WASHER. TIGHTENED AND LEAK CHECKED.

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