Service difficulty report · Crankcase · Cessna 172P

Difficulty date
October 1, 2004
Submitted
January 5, 2005
Operation
General aviation
Make and model
Cessna 172P
Aircraft time
13,350 hours
Engine
Lyc O320D2J
Propeller
Mcauly 1C160DTM
Part
Crankcase
Part number
LW18402
Condition
Cracked
Location
Engine
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

(CAN) RT CRANKCASE IS CRACKED AT THE ALTERNATOR TENSIONING ARM ATTACHMENT BOSS. CRACK APPROX .5 IN LONG BEGINS AT THE BOLT HOLE WHERE TENSIONING ARM ATTACHES TO CRANKCASE AND EXTENDS IN AN AFT DIRECTION. ENGINE REMOVED FOR REPAIR.

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