What was found
AFT CARGO COMP. Z CHANNEL FROM STA 767 + 3' TO 787; LBL 21 ;WL 156.4 AROUND THE NUTPLATE HOLE HAS CORROSION. (228-035)<[01] REMOVED CORROSION ON AFT CARGO Z CHANNEL FROM STA 767+3 TO STA 787; PERFORMED UT THICKNESS INSPECTION; CHECKED LIMITS OF REWORKED AREA FOUND OUT OF LIMITS; TREATED AND PRIMED REWORKED AREA. PER SRM 51-10-02-0G-0; PER SRM 53-00-53-1A-2; PER AMM 51-21-41-370-803 AND PER AMM 51-21-72-370-802. AFT CARGO LEFT Z CHANNEL AREA THAT WAS OUT OF LIMITS WAS REPLACED ON TASK CARD TTG8Q00L6BLG.;[02] VERIFIED AND INSPECTED STEP #4; REMOVED CORROSION ON AFT CARGO Z CHANNEL FROM STA 767+3 TO STA 787; PERFORMED UT THICKNESS INSPECTION; CHECKED LIMITS OF REWORKED AREA FOUND OUT OF LIMITS; TREATED AND PRIMED REWORKED AREA. PER SRM 51-10-02-0G-0; PER SRM 53-00-53-1A-2; PER AMM 51-21-41-370-803 AND PER AMM 51-21-72-370-802. AFT CARGO LEFT Z CHANNEL AREA THAT WAS OUT OF LIMITS WAS REPLACED ON TASK CARD TTG8Q00L6BLG.