# SDR DALA2019080194529

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2019
- Submitted: August 1, 2019
- Operation: Air carrier
- Aircraft: [N586NW](https://openairdocs.org/aircraft/N586NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32987
- Aircraft time: 59,278 hours, 19,472 cycles
- Engine: Pwa PW2040
- Engine time: 48,484 hours, 17,295 cycles
- System (JASC): [3620 · Pneumatic Indicating System](https://openairdocs.org/jasc/3620)
- Part: Shutoff Valve
- Condition: Failed
- Location: Engine Bleed
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019080194529

## Discrepancy

LOST THE LEFT ENGINE BLEED FORTY MINUTES OUT OF AIRPORT AND IS RETURNING TO DEPARTURE.   T/S AND FOUND NO MOVEMENT AT THE HPSOV AND REPLACED THE SAME. PERFORM ENGINE RUN. OP CHECKS NORMAL.

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