As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A PERIODICAL INSPECTION A CRACK WAS FOUND IN THE 10L FITTING OF THE TAIL BOOM. THIS TAIL BOOM HAD SB-117-C-2-53-007 REINFORCEMENT KIT INSTALLED. THIS TAIL BOOM WAS ALSO REPAIRED 852.1 FH AGO FOR INCORRECT RIVETS INSTALLED IN THE TOP SKIN OF THE BOOM.