As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE INSPECTION FOUND THE INTERNAL BELLY SKIN BETWEEN FRAMES 13 AND 14 TO HAVE CORROSION DAMAGE FROM STRINGER 17R TO 20L. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED DAMAGED SKIN IAW EO EM-53MR-2074 REV 1. THE AIRCRAFT WAS RETURNED TO SERVICE.