# SDR CA090723011

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2009
- Submitted: October 23, 2009
- Operation: General aviation
- Make and model: Snias AS350B2
- Aircraft time: 11,989 hours
- Engine: Tmeca ARRIEL1D1
- System (JASC): [2915 · Hydraulic Pressure Relief Valve, Main](https://openairdocs.org/jasc/2915)
- Part: Switch
- Part number: MA12401
- Condition: Inoperative
- Location: Hyd Indicator
- Part time: 59 hours
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090723011

## Discrepancy

(CAN) HYD PRESSURE WARNING SWITCH STOPPED INDICATING CHANGES IN HYD PRESSURE.  DISCOVERED DURING PRE-TAKEOFF CHECKS AND THE FLIGHT WAS ABORTED AS THERE WOULD BE NO INDICATION OF HYD FAILURE IN FLIGHT.

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