# SDR 2008UALA02308

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2008
- Submitted: April 23, 2008
- Operation: Air carrier
- Aircraft: [N121UA](https://openairdocs.org/aircraft/N121UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29167
- Aircraft time: 37,918 hours, 4,578 cycles
- Engine: Pwa PW4056
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Bottle
- Condition: Leaking
- Location: Pax Oxygen
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2008UALA02308

## Discrepancy

PASSENGER OXYGEN PRESSURE READS LOW.   BOTTLE LEAK AT REGULATOR.
REPLACED 2 EACH OXYGEN BOTTLES PRESSURE CHECKED GOOD. AC OK FOR SERVICE.                                



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