As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOOSE/WORKING RIVETS WERE FOUND AT AN ANNUAL INSPECTION ON THE LEFT ELEVATOR TORQUE TUBE ADAPTER (6 AN-4 RIVETS). THE REMOVED RIVETS WERE CLINCHED AND INCOMPLETELY BUCKED (UPSET HEADS NOT OF PROPER DIMENSION). THE RIVETS WERE REPLACED AND AIRCRAFT RETURNED TO SERVICE.