# SDR UALA2013062404354

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2013
- Submitted: July 25, 2013
- Operation: Air carrier
- Aircraft: [N216UA](https://openairdocs.org/aircraft/N216UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30549
- Aircraft time: 54,345 hours, 6,775 cycles
- Engine: Pwa PW4090
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Switch
- Condition: Sticking
- Location: Oxygen Mask
- 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/UALA2013062404354

## Discrepancy

FIRST OBSERVER OXYGEN MASK RED SWITCHES ARE STICKING.  REPLACED STOWAGE BOX ASSY FOR OXYGEN MASK AT FIRST OBSERVER, IAW AMM 35-11-18 AND PERFORMED TEST, NO LEAK FOUND. OK FOR SERVICE.

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