Service difficulty report · Bearing · Cessna 404

Difficulty date
December 12, 2005
Submitted
June 6, 2006
Operation
General aviation
Make and model
Cessna 404
Engine
Cont GTSIO520M
Propeller
Mcauly 3FF32C501
Part
Bearing
Part number
634503M010
Condition
Damaged
Location
Crankshaft
Part time
412 hours
Component
Crankshaft · Lyc
Stage of operation
IN
How discovered
9
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

ENGINE METAL CONTAMINATION. BULK STRIP FOUND THAT THE TWO REARMOST MAIN BEARINGS WERE DAMAGED. INSPECTION OF THE CRANKSHAFT IN THE VICINITY OF THE TWO REARMOST JOURNALS FOUND CRACKS RUNNING LONGITUDINALLY ACROSS JOURNALS TO THE CRANK.

More about the Cessna 404