What was found
AFT CARGO BAY DOOR CUTOUT THRESHOLD HAS SEVERAL AREAS OF CORROSION STA 787 TO 847 WL 157. / [01] ENTERED MEASUREMENTS.;[02] B737-700 SRM 53-60-15-1A-1A IS APPLICABLE FOR THIS EVALUATION.<BR>REMOVED CORROSION DAMAGE IAW SRM 51-10-02-0G-0.<BR><BR>AREAS OF CORROSION:<BR>BS 794+9' - 1.30'L X 0.70'W X 0.005'D<BR>BS 807+1' - 0.90'L X 0.80'W X 0.006'D<BR>BS 807+3' - 1.50'L X 1.10'W X 0.009'D<BR>BS 807+5' - 1.40'L X 0.90'W X 0.007'D<BR>BS 807+7' - 1.40'L X 1.00'W X 0.006'D<BR>BS 827+10'- 1.20'L X 0.80'W X 0.008'D<BR><BR>ORIGINAL MATERIAL THICKNESS: 0.050'. REMAINING MATERIAL: 0.041'<BR>MATERIAL LOSS IS MORE THAN 10%.<BR>CORROSION DAMAGE FOUND TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-60-15-1A-1.<BR>REPAIR BY REPLACEMENT IAW SRM SRM 51-10-02-0G-0.;[03] DIAL DEPTH GAGE:<BR>ATS401; S/N UNKNOWN; CAL DUE 10/2022.;[04] VERIFIED CORRECTIVE ACTION 1-3 AND MEASUREMENT FIELD;[05] PROCURED NEW SUB THRESHOLD WEB; LOCATED AND DRILLED PER DWG 146A8340 REV: A ; SRM 51-40-05-0G-0 AND SRM 51-40-08-0G-0.;[06] UPDATED MEASUREMENTS;[07] VERIFIED REPLACEMENT PART TASK COMPLETE