What was found
CORROSION ON AFT CARGO BAY FLOOR TO SIDEWALL SUPPORT AT LBL 21 BS 727E+14; BS 727E+18; BS 747+2; BS 747+15; BS 747+18.<[01] VERIFIED APPLICABILITY SRM 53-60-53-01-2 FOR IDENTIFICATION AND SRM 53-00-53-1A-2 FOR ALLOWABLE DAMAGE<BR><BR>REMOVED CORROSION AT BS 747+2.IAW SRM 51-10-02.<BR><BR>EVALUATED DAMAGE REMOVAL AT BLENDED AREA L=0.700' W=1.000' ORIGINAL THICKNESS 0.040' PER BAC1496-377 REMAINING 0.030' LOSS 0.010'; MAX MAT REMOVE ALLOWABLE 0.004'; FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53-1A-2 PARA 4A (2) FIG 103 DETAIL D.<BR><BR>TOOL ID: ATS1671 S/N: 65093024 DUE:07/2023;[02] VERIFIED CORREVTIVE ACTION 1 AND STEPS 1-5 OUT OF LIMITS.;[03] THIS CARD WILL BE ACCOMPLISHED WITH THE CARD TTG8Q00GNCEJ.;[04] VERIFIED CORRECTIVE ACTION #3<BR>MEASUREMENT TABLE VERIFIED