# SDR 2008UALA02881

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2008
- Submitted: July 1, 2008
- Operation: Air carrier
- Aircraft: [N773UA](https://openairdocs.org/aircraft/N773UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26929
- Aircraft time: 51,519 hours, 10,556 cycles
- Engine: Pwa PW4077
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Mask
- Part number: MF20003
- Condition: Defective
- Location: Crew O2
- Stage of operation: IN
- How discovered: C
- Nature of condition: W
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA02881

## Discrepancy

CREW COMMENTS:  F/O O2 MASK STRAPS WILL NOT TIGHTEN.  SUSPECT PRE FLIGHT CHECKS.  REPLACED FIRST OFFICERS OXYGEN MASK.  AC OK FOR SERVICE.

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