# SDR CALA2013112793296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2013
- Submitted: November 27, 2013
- Operation: Air carrier
- Aircraft: [N182UA](https://openairdocs.org/aircraft/N182UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 25279
- Aircraft time: 92,884 hours, 11,130 cycles
- Engine: Pwa PW4056
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Oxygen Bottle
- Condition: Low Pressure
- Location: Pax O2
- 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/CALA2013112793296

## Discrepancy

PAX OXY PRESS INDICATES 1560 BELOW LIMIT.  REPLACED OXY CYLINDERS THREE EACH AT PAX SYS IAW AMM, NO LEAKS FOUND, 1890 PSI SATIS.

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