As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TWO OF THE THREE ATTACHMENT BOLTS FOR THE OUTBOARD TORQUE MOUNT P/N LM-430-SA7 NUTS WERE FOUND CRACKED DURING C-CHECK INSPECTION. SUBMITTER STATED POSSIBLY OVERTORQUED, EXCESSIVE FORCE WAS REQUIRED TO REMOVE THE REMAINING NUT AND RECOMMENDED INSPECTION AT EVERY C-CHECK INSPECTION.