As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ROUTINE 100 HR INSPECTION TO AIRCRAFT, THE LT UPPER TAILBOOM ATTACHMENT FITTING WAS FOUND CRACKED. CRACK APPEARED TO BE BETWEEN AND EXTENDED BELOW THE TWO FORWARD MOST ATTACHING RIVETS. NO INDICATION OF CRACK WAS NOTED ON PREVIOUS INSPECTION. TAILBOOM WAS REMOVED FROM AIRCRAFT, SENT TO APPROVED REPAIR FACILITY, FITTING REPLACED AND TAILBOOM PLACED BACK IN SERVICE.