# SDR UALA2012111206491

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2012
- Submitted: November 15, 2012
- Operation: Air carrier
- Aircraft: [N428UA](https://openairdocs.org/aircraft/N428UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 523
- Aircraft time: 60,139 hours, 22,552 cycles
- Engine: Iae V2527A5
- System (JASC): [3510 · Crew Oxygen System](https://openairdocs.org/jasc/3510)
- Part: Oxygen Bottle
- Condition: Unknown
- Location: Crew O2
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012111206491

## Discrepancy

OXYGEN PRESSURE WENT FROM 870 TO 820 PSI OVER 2 1/2 HOURS WITH NO USE.  SERVICED CREW O2 BOTTLE.  OPS CHECKED GOOD, NO LEAKS NOTED.

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