# SDR 2007UALA01197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 17, 2007
- Submitted: April 20, 2007
- Operation: Air carrier
- Aircraft: [N787UA](https://openairdocs.org/aircraft/N787UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26939
- Aircraft time: 43,592 hours, 6,814 cycles
- Engine: Pwa PW4090
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Bottle
- Condition: Low
- Location: Crew Oxygen
- 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/2007UALA01197

## Discrepancy

CREW OXYGEN PRESSURE LOW 900 PSI.  [SUP 05-16-07]  REPLACED OXY BOTTLE. LEAK CHKD AND INDICATED OK.  SUSPECT LOW PRESSURE THE RESULT OF CREW SNIFF TESTS DURING CHECK LIST.

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