What was found
AFT CARGO FLOOR CHANNEL LBL 21, WL 156, BS 727-727+10 CORRODED. REMOVED CORROSION IAW SRM 51-10-02-0G-0. PERFORMED UT THICKNESS INSPECTION IAW NDT PART 4 51-00-00 PROCE 3. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2. REMOVED Z CHANNEL SECTION FROM STA 727 TO 727C +10' PER REF SRM 51-40-02-0G-0. LOCATED AND DRILLED NEW Z CHANNEL IAW SRM 51-40-05-0G-0. TREATED AND PRIMED IAW AMM 51-21-41-370-804 AND AMM 51-21-72-370-804. INSTALLED THE CHANNEL AND SPLICE REPAIR IAW SRM 51-40-02-0G-0.