# SDR UALA2010033001059

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2010
- Submitted: April 7, 2010
- Operation: Air carrier
- Aircraft: [N666UA](https://openairdocs.org/aircraft/N666UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29238
- Aircraft time: 41,837 hours, 11,487 cycles
- Engine: Pwa PW4056
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Isolation Valve
- Part number: 2780539107
- Part serial: 13
- Condition: Faulty
- Location: Bleed Air Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010033001059

## Discrepancy

RT ISLN VALVE LIGHT ON WITH SWITCH IN OR OUT.  VALVE DEEMED DEFECTIVE.  REPLACED RIGHT ISOLATION VALVE.  OPS ARE GOOD.

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