# SDR ASAA2013070395454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2013
- Submitted: July 5, 2013
- Operation: Air carrier
- Aircraft: [N570AS](https://openairdocs.org/aircraft/N570AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35185
- Aircraft time: 24,498 hours, 7,300 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Shutoff Valve
- Part number: 32145526
- Part serial: 7708
- Condition: Inoperative
- Location: Nr 1 Engine
- Part time: 33,303 hours, 13,655 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013070395454

## Discrepancy

DUCT PRESSURE SPLIT IN CLIMB FL 350 LT 26 PSI, RT 47 PSI.  ACFT GROUNDED. R & R NR 1 ENGINE PRSOV IAW AMM 36-11-01.  PERFORMED INSTALLATION TEST OK, REF 36-11-04.

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