# SDR UALA2011062903204

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 29, 2011
- Submitted: July 21, 2011
- Operation: Air carrier
- Aircraft: N519UA
- Make and model: Boeing 757222
- Aircraft serial: 24872
- Aircraft time: 68,506 hours, 25,710 cycles
- Engine: Pwa PW2037
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Mask
- Condition: Missing
- Location: Aft Cabin
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011062903204

## Discrepancy

OXYGEN MASK MISSING ON ONE OXYGEN BOTTLE IN AFT CABIN.  REPLACED MASK.

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