As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT AND RT HORIXONTAL STABILIZER LEADING EDGES HAD SEVERE CORROSION WHERE THE TKS PANELS ATTACH. AFTER COMPLETE DISASSEMBLY, IT WAS DETERMINED TO BE BEYOND ECONOMICAL REPAIR. THIS AREA HAD BEEN INSPECTED AT MFG 2.5 YEARS PRIOR TO THIS DISCOVERY. (K)