# SDR ASAA2016063017234

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 30, 2016
- Submitted: July 5, 2016
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 37,951 hours, 11,469 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Regulator
- Part number: 1074847
- Part serial: 9285
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 28,558 hours, 9,459 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016063017234

## Discrepancy

OBSERVED DUCT PRESSURE (RT ENGINE LESS THAN 18PSI THRU 50% N1) WHILE PERFORMING BLEED AIR CROSSOVER TEST. LEFT ENGINE OK.  ACFT GROUNDED. HIGH STAGE REGULATOR FAILED BLEED AIR HEALTH CHECK T/C NG-36WC-0001. REPLACED HIGH STAGE REGULATOR IAW AMM 36-11-07. OPS CK GOOD. ETOPS REPAIR CONFIGURATION COMPLIED WITH.

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