As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND CORROSION ON SKIN BETWEEN FRAME 13 AND FRAME 14 AND STRINGER 21 LEFT AND 21 RIGHT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED SKIN BETWEEN FRAME 13 AND FRAME 14 AND STRINGER 21 LEFT AND 21 RIGHT IAW EO EM-5300-1620 PART A. THE AIRCRAFT WAS RETURNED TO SERVICE.