# SDR ASAA2016011414834

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2016
- Submitted: January 20, 2016
- Operation: Air carrier
- Aircraft: [N558AS](https://openairdocs.org/aircraft/N558AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35177
- Aircraft time: 36,822 hours, 10,797 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074926
- Part serial: 9839
- Condition: Failed
- Location: Pneumatic Sys
- Part time: 36,553 hours, 10,723 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/ASAA2016011414834

## Discrepancy

NR 1 ENGINE BLEED AIR REGULATOR FAILED HEALTH CHECK.  ACFT GROUNDED.  R & R NR 1 ENGINE BLEED AIR REGULATOR IAW AMM 36-11-03.  LEAK AND OPS CHECK GOOD.

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