# SDR CALA2013080790236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2013
- Submitted: August 8, 2013
- Operation: Air carrier
- Aircraft: [N653UA](https://openairdocs.org/aircraft/N653UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25391
- Aircraft time: 95,164 hours, 14,999 cycles
- Engine: Pwa PW4060
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Isolation Valve
- Condition: Obstructed
- Stage of operation: IN
- How discovered: V
- Nature of condition: C
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013080790236

## Discrepancy

FWD EQUIPMENT VALVE EICAS MESSAGE.  FOUND CLAMP WEDGED INSIDE VALVE V93. REPLACED ACRU ISOLATION VALVE V93.  EQUIPMENT COOLING GROUND CHECKS GOOD.

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