# SDR UIEA2020010600016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2020
- Submitted: January 6, 2020
- Operation: Air carrier
- Aircraft: [N662GT](https://openairdocs.org/aircraft/N662GT), registered now
- Make and model: Boeing 767-31A
- Registry model: [Boeing 767-31A](https://openairdocs.org/model/boeing-767-31a) (OpenAirDocs)
- Aircraft serial: 27619
- Aircraft time: 76,320 hours, 15,134 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Isolation Valve
- Part number: 2780539103
- Part serial: 1980
- Condition: Intermittent
- Location: Bleed Air Sys
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2020010600016

## Discrepancy

LT ISOLATION VALVE INTERMITTENT.(<P>REMOVED AND REPLACED LEFT ISO VALVE IAW AMM 36-11-04, OPS CHK OK, LEAK CHK OK.</P>)

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