Service difficulty report · Drain Line · Snias AS350B2

Difficulty date
February 16, 2009
Submitted
May 13, 2009
Operation
General aviation
Make and model
Snias AS350B2
Aircraft time
11,989 hours
Engine
Tmeca ARRIEL1D1
Part
Drain Line
Condition
Disconnected
Location
Fuel Cell
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) DURING ROUTINE MX IT WAS DISCOVERED THAT FUEL WOULD DRAIN OUT OF THE FUSELAGE AFTER DOING A WATER CHECK ON THE MFG AIRFRAME FUEL FILTER BOWL. FURTHER INVESTIGATION REVEALED THAT THE PLASTIC SCUPPER UNDER THE FLOOR WHERE THE FUEL FILTER WAS MOUNTED HAD SNAPPED OFF, LIKELY THE LAST TIME THE FUEL TANK WAS RE-INSTALLED. WITH THE SCUPPER (DALOT) AND DRAIN LINE NOT CONNECTED FUEL WOULD SPLASH DOWN INSIDE THE ACFT, MOSTLY COMING OUT AROUND THE FUEL BOOST PUMP WIRING CREATING A FIRE HAZARD.