# SDR ASAA2017102622356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 26, 2017
- Submitted: October 30, 2017
- Operation: Air carrier
- Aircraft: [N593AS](https://openairdocs.org/aircraft/N593AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35107
- Aircraft time: 36,470 hours, 11,161 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32144464
- Part serial: 10943
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 27,722 hours, 9,070 cycles
- Stage of operation: CR
- 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/ASAA2017102622356

## Discrepancy

LEFT BLEED TRIP OFF LIGHT ILLUMINATED INFLIGHT.  RESET WITH THE TRIP RESET BUTTON PUSHED IAW QRH.  ACFT GROUNDED.   PERFORMED FIM 36-10, TASK 801. FAILED STEP F.2.C.  FOUND HIGH STAGE VALVE NOT CLOSING COMPLETELY. REMOVED AND REPLACED THE NR 1 ENGINE HIGH STAGE VALVE IAW AMM 36-11-06-000-801, AND AMM 36-11-06-400-801.  OPS AND LEAK CHECKED GOOD.

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