Service difficulty report · Pressure Switch · Snias AS350BA

Difficulty date
May 24, 2009
Submitted
June 16, 2009
Operation
General aviation
Make and model
Snias AS350BA
Aircraft time
7,680 hours
Engine
Tmeca ARRIEL1B
Part
Pressure Switch
Part number
MA12401
Condition
Unserviceable
Location
Hyd System
Part time
3 hours
Stage of operation
IN
How discovered
9
Nature of condition
N
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) "HYD" WARNING LIGHT WOULD NOT GO OUT DURING SERVICING GROUND RUN. REPLACEMENT PRESSURE SWITCH INDICATED PROPER OPERATION OF HYD SYS. CAN NOT DETERMINE IF PRESSURE SWITCH PROBLEM ELECTRICAL OR MECHANICAL.