As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON UPPPER SURFACE OF BOTTOM SKIN PANEL 3. INSPECT BETWEEN REAR SPAR AND + BETWEEN RIB 5 + THE MLG GEAR SUPPORT RIB ON THE RT WING. EO 5721-1518, REV 0, DATED 23 NOV 2015 CORROSION REPAIR ON RT WING BOTTOM SKIN PANEL 3 ACCOMPLISHED MWI 5780409 OPENED FOR 180 DAYS IAW STEP 5 OF THIS EO.