As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DISCOVERED AT MAJOR OVERHAUL. NEW VAR CRANKSHAFT INSTALLED 1985, ACCUMULATED 1,550 HOURS. FOUND NR 3 OIL TUBE (INSIDE SHAFT) HAD DISLODGED AND WORKED ITS WAY OUT AND HAD PRACTICALLY CUT THE BEARING IN HALF. SUBMITTER BELIEVES THE VAR CRANKSHAFT HAS AS MANY OR MORE PROBLEMS IN THE FIELD AS ITS OLDER PREDECESSOR. MANUFACTURING FLAW. NEED BETTER QUALITY CONTROL.