Service difficulty report · Lifter · Beech 58

Difficulty date
January 15, 2010
Submitted
February 5, 2010
Operation
General aviation
Aircraft
N731P
Make and model
Beech 58
Aircraft serial
TH1997
Engine
Cont IO550C
Part
Lifter
Part number
653888
Condition
Spalled
Location
Nr 5 Cylinder
Part time
1,250 hours
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

REMOVED NR 6 CYLINDER FOR REPAIR, WHILE INSPECTING ASSOC COMPONENTS FOUND SPALLING ON FACE OF NR 5 CYLINDER EXHAUST LIFTER AND NR 5 AND NR 6 CYLINDER INTAKE LIFTERS CAUSING DAMAGE TO CAMSHAFT LOBES. (K)

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