Service difficulty report · Thru Bolt · Beech 58

Difficulty date
June 17, 2013
Submitted
June 17, 2013
Operation
General aviation
Make and model
Beech 58
Engine
Cont IO550C
Part
Thru Bolt
Part number
538944674
Condition
Undertorqued
Location
Thrust Bearing
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

RECEIVED NEW IO-550-C ENGINE SN 1008500. REMOVED ENGINE FROM SHIPPING CRATE AND PLACED IN ENGINE STAND. UPON INSPECTION OF THE NEW ENGINE IT WAS NOTICED THE FRONT THRUST BEARING UPPER AND LOWER THROUGH BOLTS WERE NOT TORQUED. THE NUTS WERE ONLY FINGER TIGHT AT MOST. FACTORY INSPECTION PUTTY WAS PRESENT ON THE NUTS. CONTACTED MFG SERVICE REPRESENTATIVE WITH WHAT WE HAD FOUND. THEY REQUESTED WE RETURN THE ENGINE FOR EVALUATION. THE ENGINE WILL BE REPLACED WITH A NEW IO-550-C.

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