# SDR ASAA1058331

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2010
- Submitted: October 8, 2010
- Operation: Air carrier
- Aircraft: [N586AS](https://openairdocs.org/aircraft/N586AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35189
- Aircraft time: 11,319 hours, 3,690 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074926
- Part serial: 10764
- Condition: Failed
- Location: Bleed Air Sys
- Part time: 11,319 hours, 3,690 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/ASAA1058331

## Discrepancy

NR 1 ENG BLEED AIR REGULATOR FAILED HEALTH CHECK.  REMOVED AND REPLACED AND PERFORMED INSTALLATION TEST GOOD OF NR 1 ENG BLEED AIR REGULATOR REF B737 800 AMM 36 11 03 400 801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.