As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING REMOVAL OF TAILBOOM ASSY TO FACILITATE MAINTENANCE A CRACK WAS DISCOVERED AT THE UPPER RT TAILBOOM ATTACH FITTING. FURTHER INVESTIGATION IN THE FUSELAGE STRUCTURE REVEALED MORE CRACKING IN THE FUSELAGE TAILBOOM SUPPORT STRUCTURE.