As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAJOR REPAIR DURING THE MAIN BASE VISIT INSPECTION FRAME 20 WAS FOUND TO BE CORRODED BELOW SERVICE DOOR AT SPLICE. CUT OUT CORRODED AREA. FABRICATED A 3.5" X 1.0" DOUBLER FROM AL7475-T761 0.040" AND A 1.5" X 1.0" FILLER FROM AL2024T3 0.040". PREPPED, CLEANED, ALODINED, PRIMED AND INSTALLED REPAIR PIECES IAW AEA EO EM-53MR-1345. AIRCRAFT RETURNED TO SERVICE.