Service difficulty report · Crankcase · Beech 58

Difficulty date
September 24, 2001
Submitted
October 31, 2001
Operation
Air carrier
Aircraft
N873AN
Make and model
Beech 58
Aircraft serial
TH1680
Engine
Cont IO550C
Part
Crankcase
Part number
6466131
Condition
Cracked
Location
Engine
Part time
528 hours
Stage of operation
IN
How discovered
V
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

DURING ROUTINE INSPECTION AN OIL LEAK WAS NOTICED AFT OF NR 2 CYLINDER. FURTHER INVESTIGATION REVEALED CRACK IN CRANKCASE STARTING AT 7TH STUD LOCATION NR 2 CYLINDER RUNNING AFT APPROX 2 INCHES IN LENGTH ENGINE REMOVED FROM SERVICE.

More about the Beech 58