As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING OTBD FLAP LEADING EDGE HAS CORROSION ON FWD SPAR FWD FACE AROUND FASTENER HOLE JUST ABOVE FLAP TRACK NR 3 INSIDE PANEL NR 2. REMOVED CORROSION LT WING OTBD SPAR WEB AND FOUND TO BE OUT OF LIMITS, IAW SRM 51-74-00. REMOVED AND REPLACED THE SPAR WEB IAW SRM 57-53-20 PG 229-231.