As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CRACK ON LT SIDE OF TAILBOOM AT FUSELAGE STA 9976 MM. DURING FURTHER INVESTIGATION, OTHER CRACKS WERE FOUND ON THE RT SIDE AT THE SAME FUSELAGE STATION AND INSIDE THE TAILBOOM ON THE 10L FRAME. REPAIR SCHEMES FOR THESE CRACKS WERE PROVIDED BY AEC FOR PATCHING THE SIDES AND THE DECISION WAS MADE TO COMPLETLY REPLACE THE 10L FRAME, INSIDE OF THE TAILBOOM. (K)