# SDR UALA2011031001162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2011
- Submitted: March 14, 2011
- Operation: Air carrier
- Aircraft: [N570UA](https://openairdocs.org/aircraft/N570UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 26678
- Aircraft time: 61,253 hours, 22,505 cycles
- Engine: Pwa PW2037
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Valve
- Condition: Broken
- Location: Oxygen Bottle
- 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/UALA2011031001162

## Discrepancy

CREW O2 BOTTLE SHUTOFF VALVE KNOB IS BROKEN OFF. SUPPLEMENTAL DATA UPDATE REMOVED AND REPLACED CREW O2 BOTTLE PER MM AND LEAK CHECK GOOD ON NON ROUTINE 43489 AND INSP QC384.

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