SDR 99ZZZX914

Service difficulty report · Rod

Difficulty date
May 15, 1998
Submitted
March 26, 2000
Operation
General aviation
Engine
Cont IO520F
Part
Rod
Part number
632041
Condition
Damaged
Location
Engine
Stage of operation
IN
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

FOUND CONNECTING ROD BOLT-TO-HOLE CLEARANCE ON ROD CAP EXCESSIVELY TIGHT (OUT OF FACTORY LIMITS) TO THE POINT OF HAVING TO HAMMER THE BOLT INTO THE ROD CAP BOLT HOLE. AFTER INVESTIGATION WITH INSIDE AND OUTSIDE MICROMETERS AND CLOSE OBSERVATION OF THE INSIDE OF THE BOLT HOLE WITH A MICROSCOPE, FOUND THE BOLT HOLE IN THE ROD CAP AND ROD WAS DISTORTED IN THE SAME AREA ON THE INSIDE OF THE HOLE AS THE NUMBER POSITION STAMPED ON THE OUTSIDE OF THE HOLE.