Service difficulty report · Crankcase · Beech 95C55

Difficulty date
November 29, 1998
Submitted
March 26, 2000
Operation
General aviation
Make and model
Beech 95C55
Engine
Cont IO520C
Propeller
Mcauly 3AF32C75
Part
Crankcase
Part number
642088
Condition
Cracked
Location
Engine
Stage of operation
IN
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) ENGINE LEAKING OIL. INSPECTION FOUND TWO THROUGH BOLTS BROKEN. THIS CAUSED NR 4 CYLINDER TO BECOME LOOSE. THE LOOSE CYLINDER CREATED PULL ON THE CYLINDER HOLD-DOWN STUDS AND CRACKED THE CRANKCASE, WHERE THE STUD WAS PULLED.

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