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 TOOL MARKS ON INBOARD WEB OF FRAME 61 BETWEEN STRINGERS 16R AND 17R. THE AIRCRAFT WAS REMOVED FROM SERVICE. COMPLIED WITH REPAIR TO THE FRAME 61 IAW EO EM-53MR-1556. THE AIRCRAFT WAS RETURNED TO SERVICE.