As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT INSPECTION FOUND FRAME 23 CRACKED JUST BELOW FLOOR LEVEL BETWEEN STRINGERS 15 RIGHT AND 16 RIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED FRAME IAW EO EM-53MR-1779. THE AIRCRAFT WAS RETURNED TO SERVICE.