As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION CRACKING FOUND ON BELLY SKIN BETWEEN BS 273.25 AND 288, BL 0 AND 12 INCHES LEFT AND RIGHT OF SAID BUTT LINE. NO VISUAL CORROSION IS DETECTABLE FROM EITHER INSIDE OR OUTSIDE THE AIRCRAFT. ONLY THE BULGING IN THE SKIN STRUCTURE IS VISIBLE.