As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 3 C CHECK FOUND LEFT VERTICAL STABILIZER FORWARD AND AFT DRAG ANGLES AT FS1181.00 ARE CRACKED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED FORWARD AND AFT DRAG ANGLES IAW EO CR-53MR-164 AND CR-53MR-053. THE AIRCRAFT WAS RETURNED TO SERVICE.