# SDR USAA2013013000016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 28, 2013
- Submitted: January 30, 2013
- Operation: Air carrier
- Aircraft: [N665AW](https://openairdocs.org/aircraft/N665AW), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1644
- Aircraft time: 41,388 hours, 15,112 cycles
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF100511
- Part serial: 56165
- Condition: Leaking
- Location: Cockpit
- Part time: 58,696 hours, 22,879 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2013013000016

## Discrepancy

CAPTAIN REPORTED CREW OXYGEN LEVEL DROPPING THROUGHOUT FLIGHT.  MAINTENANCE FOUND FIRST OFFICER'S OXYGEN MASK LEAKING. SWAPPED F/O'S O2 MASK WITH PRIMARY OBSERVER'S SEAT MASK.  REMOVED AND REPLACED OBSERVER'S QUICK-DONNING FULL FACE MASK ASSEMBLY IAW AIRBUS MAINTENANCE MANUAL 35-12-41-400-002A.

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