# SDR ASAA2015030410851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2015
- Submitted: March 6, 2015
- Operation: Air carrier
- Aircraft: [N559AS](https://openairdocs.org/aircraft/N559AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35178
- Aircraft time: 31,652 hours, 9,470 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [8012 · Engine Start Valves/Controls](https://openairdocs.org/jasc/8012)
- Part: Shutoff Valve
- Condition: Malfunctioned
- Location: Engine Start
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2015030410851

## Discrepancy

INSUFFICANT AIR TO START ENG, ENG START UNSUCCESSFUL WITH HUFFER AT 25 PSI.  ACFT GROUNDED.  OPENED NR 2 ENGINE & INSPECTED PRSOV & FOUND IN CLOSED POSITION.  CLOSED NR 2 ENGINE. DUCT DOWN STREAM OF RT PACK SOV WAS HOT WITH PACK SW IN OFF POSITION. DISCONNECTED, CONNECTOR PLUG AT NR 2 STARTER & PLACED START SWITCH TO GROUND.  APU WENT TO HIGH MODE & RT PACK VALVE CLOSED COMPLETELY.  RECONNECTED NR 2 STARTER CONNECTOR PLUG & ACCOMPLISHED 2 DRY MOTOR RUNS TO 29 PERCENT N2 BOTH ENGINES.  RT PACK VALVE OPS CHECKED ON GROUND.  OPS CHECK GOOD.  GROUND VERIFICATION COMPLETED. BOTH ENGINES SPOIL UP TO 29 PERCENT N2.

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