As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND FRAME 23 CRACKED BETWEEN STRINGERS 15 RIGHT AND 16 RIGHT UNDERNEATH AFT SERVICE DOOR SILL. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED FRAME 23 IAW EO EM-53-MR-1681. AIRCRAFT WAS RETURNED TO SERVICE.