# SDR UIEA2017071001137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2017
- Submitted: July 10, 2017
- Operation: Air carrier
- Aircraft: [N661GT](https://openairdocs.org/aircraft/N661GT), registered now
- Make and model: Boeing 767-36N
- Registry model: [Boeing 767-36N](https://openairdocs.org/model/boeing-767-36n) (OpenAirDocs)
- Aircraft serial: 30110
- Aircraft time: 74,551 hours, 9,421 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Message
- Condition: False Activation
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017071001137

## Discrepancy

LEFT BLEED ISOLATION VALVE MESSAGE.   CYCLED THE LEFT ISOLATION VALVE SWITCH. ISOLATION VALVE OPS NORMAL. NO MESSAGE NOTED IAW 36-10-00.

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