# SDR UALA2013060303824

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2013
- Submitted: June 19, 2013
- Operation: Air carrier
- Aircraft: N533UA
- Make and model: Boeing 757222
- Aircraft serial: 25073
- Aircraft time: 72,283 hours, 26,524 cycles
- Engine: Pwa PW2040
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MC1019151
- Part serial: 430
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2013060303824

## Discrepancy

FIRST OFFICER`S O2 MASK TUBE FAILED WHEN ATTEMPTED TO USE IN FLIGHT.  FOUND INFLATION HARNESS DAMAGED ON MASK.  REPLACED O2 MASK IAW AMM.

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