# SDR UALA2009111703575

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 17, 2009
- Submitted: November 18, 2009
- Operation: Air carrier
- Aircraft: N547UA
- Make and model: Boeing 757222
- Aircraft serial: 25368
- Aircraft time: 67,173 hours, 19,574 cycles
- Engine: Pwa PW2037
- System (JASC): [3520 · Passenger Oxygen System](https://openairdocs.org/jasc/3520)
- Part: Bottle
- Part number: 89151114
- Condition: Defective
- Location: Oxygen System
- 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/UALA2009111703575

## Discrepancy

FWD CABIN O2 BOTTLE PRESSURE READS ZERO.  REPLACED O2 BOTTLE.

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