# SDR ASAA2019032328751

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2019
- Submitted: March 25, 2019
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 39,248 hours, 11,595 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32144464
- Part serial: 4793
- Condition: Failed
- Location: Bleed Air Sys
- Part time: 72,951 hours, 30,655 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019032328751

## Discrepancy

NR 1 ENG HSV FAILED HEALTH CHECK REF T/C NG-36WC-00001. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENG HSV REF AMM 36-11-06. DUCT PRESSURE NORMAL AND GROUND VERIFICATION CHECK ACCOMPLISHED GOOD.

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