# SDR 2007UALA02173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2007
- Submitted: June 26, 2007
- Operation: Air carrier
- Aircraft: [N398UA](https://openairdocs.org/aircraft/N398UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 24673
- Aircraft time: 47,674 hours, 32,920 cycles
- Engine: Ge CFM56*
- System (JASC): [3500 · Oxygen System](https://openairdocs.org/jasc/3500)
- Part: Transducer
- Condition: Faulty
- Location: O2 Bottle
- 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/2007UALA02173

## Discrepancy

O2 GAUGE READS 1700.  BOTTLE READS 2000.  FOUND FAULTY TRANSDUCER.  REPLACED TRANSDUCER.

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