What was found
CORROSION FOUND AFT CARGO DOOR CUTOUT LOWER WEB HAS MULTIPLE SPOTS OF CORROSION.<[01] REMOVED CORROSION; PERFORMED UT THICKNESS INSPECTION; CHECKED LIMITS FOUND OUT OF LIMITS ON AFT CARGO DOOR CUTOUT LOWER WEB; REMOVED WEB; DRILLED HOLES ON NEW WEB; TREATED AND PRIMED; INSTALLED NUTPLATES; APPLIED TOPCOAT AND INSTALLED NEW AFT CARGO DOOR CUTOUT LOWER WEB PER SRM 51-10-02-0G-0; PER SRM 53-60-15-1A-1; PER SRM 51-40-02-0G-0; PER SRM 51-40-05-02-0G-0; PER AMM 51-21-41-370-803; PER AMM 51-21-72-370-804;PER SRM 51-40-02-0G-0; PER AMM 51-21-73-370-804; AND DWG # 146A8340 ID:0021.;[02] VERIFIED STEP 1.