SDR AU010155

Service difficulty report · Switch · Bell 412

Difficulty date
February 19, 2001
Submitted
March 20, 2001
Operation
General aviation
Make and model
Bell 412
Engine
Pwa PT6T3
Part
Switch
Part number
420218
Condition
Leaking
Location
Fuel Bypass
Part time
794 cycles
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

(AUS) FUEL FILTER BYPASS SWITCH LEAKING FROM SWITCH BODY IN THE AREA WHERE THE ELECTRICAL CONNECTOR IS SOLDERED TO THE SWITCH. FUEL WAS SEEN RUNNING INTO THE ENGINE INTAKE PLENUM. A REPLACEMENT SWITCH HAD POOR SOLDERING OF THE CONNECTOR IN THE SAME AREA ASTHE FAILED ITEM.

More about the Bell 412