# SDR UALA2013012800515

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 2013
- Submitted: February 14, 2013
- Operation: Air carrier
- Aircraft: N590UA
- Make and model: Boeing 757222
- Aircraft serial: 28708
- Aircraft time: 59,524 hours, 16,652 cycles
- Engine: Pwa PW2037
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Regulator
- Part number: MC1019151
- Part serial: 201
- Condition: Failed
- Location: Oxygen Mask
- 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/UALA2013012800515

## Discrepancy

O2 MASK AT FIRST OFFICER POSITION INOPERATIVE.  REPLACED FIRST OFFICER`S O2 MASK - REGULATOR PER AMM.

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