# SDR UALA2011070603343

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2011
- Submitted: July 20, 2011
- Operation: Air carrier
- Aircraft: [N674UA](https://openairdocs.org/aircraft/N674UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29242
- Aircraft time: 41,038 hours, 10,595 cycles
- Engine: Pwa PW4056
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Exhaust Valve
- Part number: 672951001
- Part serial: 85
- Condition: Seized
- Location: E&E Bay
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011070603343

## Discrepancy

RECEIVED NO EQUIP COOLING EICAS & LT ON FINAL AS ZERO DIFF PRESSURE REACHED.  STBY OK ON TAXI IN.  MAINT TEXT:  FWD LOWER EQUIP COOLING EXHAUST VALVE IS SEIZED.  INV CLASS (685-9211) REMOVED AND REPLACED FORWARD OVERBOARD VALVE PER MM, LEAK CHECK OKAY.

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