# SDR CALA2013111492944

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2013
- Submitted: November 15, 2013
- Operation: Air carrier
- Aircraft: [N215UA](https://openairdocs.org/aircraft/N215UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30221
- Aircraft time: 48,785 hours, 10,326 cycles
- Engine: Pwa PW4077
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Isolation Valve
- Condition: Failed
- Location: Bleed Air Sys
- Stage of operation: IN
- 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/CALA2013111492944

## Discrepancy

LT ISOLATION VLV FAILED WITH MESSAGE 3610280.  NO TIME TO CHANGE, LOCKED IN THE OPEN POSITION. REPLACED LT SIDE ISOLATION VLV IAW AMM 36-12-01, PAGES 401-408.  OPERATIONS CHECKED GOOD ON MAT & LEAK CHECKED GOOD MESSAGE CLEARED.

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