SDR 2013F00047

Service difficulty report · Mount · Bell 206B

Difficulty date
February 4, 2013
Submitted
February 5, 2013
Operation
General aviation
Aircraft
N306FW
Make and model
Bell 206B
Aircraft serial
3940
Aircraft time
25,172 hours
Part
Mount
Part number
206062101013
Condition
Corroded
Location
Engine
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

THE LT FWD ENGINE MOUNT, CORRODED ALL THE WAY THROUGH UNDERNEATH THE CLAMSHELL DAMPER PIECE. A SMALL AMOUNT OF PLAY HAD BEEN FOUND IN THE ENG AND IT HAD BEEN DECIDED TO REPLACE THE LEG DUE TO THE PLAY. UPON REMOVING THE CLAMSHELL, THE LEG HAD RUSTED THROUGH AND 50 PERCENT OF THE CIRCUMFERENCE 2" LONG WAS MISSING. UPON FURTHER INVESTIGATION THE OTHER FWD LEG HAD CORROSION TO AN EXTENT REQUIRING REPLACEMENT. THE 2 REAR LEGS HAD NOTHING SIGNIFICANT FOUND. THE LOWER 2 LEGS DO NOT HAVE THE DAMPER AND DO NOT COLLECT MOISTURE.

More about the Bell 206B