As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE INSPECTION FOUND THE PREVIOUS REPAIR BETWEEN FRAMES 27-28 AT STRINGER 21 RIGHT HAD IMPROPERLY INSTALLED RIVETS THAT ARE AGAINST STRINGER 21 RIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED IAW EO EM-53MR-1574 FOR THE INSTALLATION OF THE DOUBLER AND FILLER. THE AIRCRAFT WAS RETURNED TO SERVICE.