# SDR UIEA201902253337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2019
- Submitted: February 25, 2019
- Operation: Air carrier
- Aircraft: [N649GT](https://openairdocs.org/aircraft/N649GT), registered now
- Make and model: Boeing 767375
- Aircraft serial: 25864
- Aircraft time: 88,666 hours, 22,860 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 80217012
- Part serial: 9906156
- Condition: Malfunctioned
- Location: Left
- Stage of operation: TX
- 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/UIEA201902253337

## Discrepancy

LEFT BLEED VALVE REMAINED CLOSED AFTER START.   REPLACED THE LEFT HPSOV IAW AMM 36-11-07.  OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.