Service difficulty report · Pressure Switch · Snias AS350B3

Difficulty date
June 21, 2006
Submitted
June 22, 2006
Operation
General aviation
Make and model
Snias AS350B3
Aircraft time
2,584 hours
Engine
Tmeca ARRIEL2B
Part
Pressure Switch
Part number
9550179130
Condition
Leaking
Location
Fuel Low
Stage of operation
TX
How discovered
O
Nature of condition
K
Precautionary procedure
E

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

What was found

DURING A START, PILOT NOTICED A FUEL PRESSURE WARNING LIGHT NOT EXTINGUISHING. CONTINUED WITH THE START THROUGH TO IDLE. THEN SHUT THE AIRCRAFT DOWN AFTER 10 SECONDS AT IDLE. AFTER SHUT DOWN OPENED UP THE ENGINE COWLING AND NOTICED FUEL ON THE ENGINE DECK. FUEL WAS COMING FROM THE WEEP HOLE OF THE PRESSURE SWITCH WITH AIRCRAFT BOOST PUMP ON.