# SDR ASAA2018010823137

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 8, 2018
- Submitted: January 12, 2018
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 42,050 hours, 12,500 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Valve
- Part number: 32145526
- Part serial: 3629
- Condition: Failed
- Location: Nr 2
- Part time: 80,450 hours, 33,714 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/ASAA2018010823137

## Discrepancy

DUCT PRESSURE SPLIT,  RIGHT 22, LEFT 45,  DURING CLIMB.  ACFT GROUNDED.   TROUBLESHOT THE NR 2 ENGINE IAW AMM 36-11-00, THE  PRSOV FAILED THE TEST. REMOVED AND REPLACED THE NR 2 ENG PRSOV IAW AMM 36-11-04-000-801. LEAK CHECKED GOOD.

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