# SDR ASAA2019020628113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2019
- Submitted: February 9, 2019
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 39,189 hours, 11,572 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074847
- Part serial: 2422C
- Condition: Failed
- Location: Bleed Air Sys
- Part time: 77,963 hours, 41,560 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019020628113

## Discrepancy

NR 1 ENG HSR FAILED HEALTH CHECK. GROUNDED - YES. REMOVED AND REPLACED NR 1 ENG HSR REF AMM TASK 36-11-06-000-801/-400-800 OPS CH GOOD.

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