Service difficulty report · Crankcase

Difficulty date
November 12, 2003
Submitted
December 8, 2003
Operation
General aviation
Engine
Cont IO520F
Part
Crankcase
Part number
IO520F
Part serial
821524R
Condition
Cracked
Location
Bearing Boss
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LT SIDE (2.4.6) CRACKED IN CENTER MAIN BEARING BOSSES IN LOWER OIL ANNALYSIS.