As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWER FUSELAGE SKIN HAS THE APPEARANCE OF BEING CRACKED JUST FWD OF EQUIPT COOLING EXHAUST VALVE (MARKED). CLEANED AREA AND SMOOTHED MINOR TOOL MARKS IN SKIN. NO MORE CORROSION WAS FOUND. TESTED SKIN THICKNESS WITH ULTRASONIC TESTER. FOUND ONE SMALL AREA WITH IN ONE HALF INCH OF CUTOUT THAT WAS .051. ALL OTHER AREAS WERE .058 OR GREATER. INSP AREA NO CORROSION FOUND. INSTALLED EXTERNAL FUSELAGE SKIN REPAIR.