# SDR UALA2010012700335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2010
- Submitted: January 27, 2010
- Operation: Air carrier
- Aircraft: N589UA
- Make and model: Boeing 757222
- Aircraft serial: 28707
- Aircraft time: 48,277 hours, 13,430 cycles
- Engine: Pwa PW2037
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Exhaust Valve
- Part number: 566918
- Part serial: 94
- Condition: Faulty
- Location: Eq Cooling
- Stage of operation: NR
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010012700335

## Discrepancy

OVERBOARD EXHAUST VALVE TEST STATUS MESSAGE.  REPLACED EQUIPMENT COOLING OVERBOARD EXHAUST VALVE.  OP CKS NORMAL.

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