As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE TECH FOUND AREA BELOW PIVET BOLT EXCESSIVELY COVERED TO THE POINT OF EXFOLIATION. WHEN DRILLING THE INSPECTION HOLE CALLED FOR, THE DRILL BIT ACTUALLY FELL THROUGH AFTER APPROXIMATELY 2 TURNS OF THE BIT. CENTRAL YOKE WAS REPLACED AT THIS TIME. TECH STRONGLY RECOMMENDS THIS PROCEDURE SHOULD BECOME AN AIRWORTHINESS DIRECTIVE.