What was found
CORROSION AFT CARGO BAY L/H FLOOR TO SIDEWALL SUPPORT PLATE MULTIPLE AREAS AROUND NUT PLATE HOLES BS727B TO BS767 LBL21.5 WL156<[01] UPDATED MEASUREMENT TABLE FOR PICTURE OF CORROSION ATTACHED STEP 20;[02] EVALUATED CORROSION AT ALL LOCATIONS; FOUND DEEPEST LOCATION TO BE AT BS 727G+11' REMOVED 0.020' IN A AREA OF 1'X1' ORIGINAL THICKNESS 0.040' FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 USING ATS TOOL ID ATS2678 EXP 4/2023;[03] VERIFIED CORRECTIVE ACTION 2.;[04] VERIFIED MEASUREMENT TABLE.;[05] REMOVED ACB LH FLOOR TO SIDEWALL BS727-847 LBL21.5.;[06] LOCATED AND DRILLED NEW ACB LH FLOOR TO SIDEWALL SUPPORT; BS 727-847 LBL21.5; IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0. AND OK TO INSTALL.;[07] VERIFIED CORRECTIVE ACTION #6;[08] INSTALLED ACB LH FLOOR TO SIDEWALL SUPPORT; BS727-847; LBL21.5; IAW SRM 51-40-02-0G-0; SRM 51-40-05-0G-0; DWG 146A7500.;[09] VERIFIED CORRECTIVE ACTION STEP 8.;[10] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.