As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AAIP A 0312 ZONE 12 AIRFRAME INSPECTION, DISCOVERED DAMAGE ON INTERIOR TAIL BOOM OMEGA STRINGER. DAMAGE IS LOCATED ON THE INSIDE TAIL BOOM UPPER RT OMEGA STRINGER 130MM FROM FLANGE OPENING. DAMAGE IS 10MM X 7MM WITH A MAX DEPTH OF .030 INCHES. SUSPECTED CAUSE WAS FROM AN ALUMINUM HYD HOSE CLAMP PN 1120-43021.07 THAT WAS IN CONTACT WITH THE STRINGER.