# SDR ASAA0852906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2008
- Submitted: May 6, 2008
- Operation: Air carrier
- Aircraft: [N596AS](https://openairdocs.org/aircraft/N596AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35688
- Aircraft time: 60 hours, 24 cycles
- Engine: Ge CFM567B24
- Engine time: 60 hours, 24 cycles
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Hydromech Unit
- Part number: 1853M56P12
- Condition: Faulty
- Location: Nr 2 Engine
- Part time: 60 hours, 24 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0852906

## Discrepancy

ENGINE NR 2 SHUTDOWN WHILE TAXIING IN.  REPLACED HMU HIGH STAGE VALVE & HIGH STAGE REGULATOR.

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