Service difficulty report · Gear

Difficulty date
February 6, 2004
Submitted
February 6, 2004
Operation
General aviation
Engine
Cont IO550B
Engine time
500 hours
Part
Gear
Part number
641742
Condition
Galled
Location
Magneto Drive
Part time
500 hours
Component
Magneto Drive
Component part number
654760
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

DURING ENGINE DISASSEMBLY FOR CYLINDER REPLACEMENT FOUND RT MAGNETO DRIVE GEAR DISCOLORED AND THRUST SURFACE GALLED. MAGNETO/ACCESSORY DRIVE ADAPTER BUSHING GALLED AND HEAT DAMAGED.