# SDR ASAA2014011812417

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2014
- Submitted: January 21, 2014
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 27,478 hours, 8,376 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32144464
- Part serial: 8784
- Condition: No Test
- Location: Nr 1 Engine
- Part time: 26,044 hours, 8,698 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014011812417

## Discrepancy

ON INITIAL DECENT, LEFT BLEED TRIP OFF LIGHT ILLUMINATED. RESET TRIP IAW QRH, LIGHT STAYED OUT, EXTINGUISHES.  ACFT GROUNDED. PERFORMED FIM TASK 36-10-809, WRENCH CHECKED ALL VALVES.  VALVES CHECK OK.  AS PRECAUTIONARY MEASURE, REPLACED HIGH STAGE REGULATOR REF AMM 36-11-07.  GROUND VERIFICATION CHECK SUCCESSFUL.   PERFORMED HEALTH CHECK IAW TASK CARD NG-36WC-00001 FAILED STEP 4J.  HIGH STAGE CONTROL PRESSURE CHECK, R & R HIGH STAGE VALVE IAW AMM 36-11-06.  COMPLETED HEALTH CHECK TASK CARD FROM STEP 4J.  ALL TESTS PASSED.

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