Service difficulty report · Crankcase · Cessna 421C

Difficulty date
March 5, 2012
Submitted
May 18, 2012
Operation
General aviation
Aircraft
N421RX
Make and model
Cessna 421C
Aircraft serial
421C0264
Engine
Cont GTSIO520*
Part
Crankcase
Part number
642135
Condition
Cracked
Location
Engine
Part time
853 hours
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

ON COMLETION OF A ROUTINE INSPECTION, A CRACKED ENGINE CASE STARTING AT NR 5 CYLINDER AND REARWARD 2.5"

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