SDR 2004F00431

Service difficulty report · Ring Gear · Beech 65B80

Difficulty date
December 3, 2004
Submitted
December 3, 2004
Operation
Air carrier
Aircraft
N5376M
Make and model
Beech 65B80
Aircraft serial
LD301
Engine
Lyc IGSO540A1D
Engine time
1,156 hours
Part
Ring Gear
Part number
LW11187
Condition
Cracked
Location
Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, J
Precautionary procedure
A

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

What was found

OPERATOR REPORTED THAT THE LEFT ENGINE WAS SHUT DOWN AND THE PROPELLER FEATHERED DUE TO ROUGH RUNNING ENGINE SHORTLY AFTER TAKEOFF. MECHANIC INSPECTED ENGINE AFTER LANDING AND DISCOVERED CRACKED RING GEAR IN GEAR REDUCTION UNIT.

More about the Beech 65-B80