As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HMBV INSPECTION FOUND THE FUSELAGE BELLY SKIN CORRODED BETWEEN FRAMES 13 AND 14, STRINGERS 20 LEFT AND 21 LEFT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REPAIRED FUSELAGE BELLY BETWEEN FRAMES 13 AND 14 & STRINGERS 20 LEFT AND 21 LEFT IAW EO EM 53MR-2101. LEVEL OF CORROSION NOT SPECIFIED. THE AIRCRAFT WAS RETURNED TO SERVICE.