What was found
AFT CARGO COMPARTMEMT LT Z-ANGLE LBL 20, WL 156, BS 727D +5' -807 CORRODED IN MULTIPLE PLACES. REMOVED CORROSION AT LT Z-ANGLE STA 727D TO 807+8, IAW SRM 53-00-53-1A-2. EVALUATED MATERIAL LOSS FROM STA 727D TO 747 ORIGINAL THICKNESS .040', AFTER REWORK .036', .004' LOSS IN LIMITS, IAW SRM 53-00-53-1A-2 FIG 103. TOOL: 36646 DUE: 10/7/21. TREATED AND PRIMED IN LIMITS AREA, IAW SRM 53-00-53-1A-2. EVALUATED MATERIAL LOSS FROM STA 747 TO 827+8 ORIGINAL THICKNESS .040, AFTER REWORK .031', .009' LOSS, OUT OF LIMITS IAW SRM 53-00-53-1A-2 FIG 103. TOOL: 36646; DUE: 10/7/21. REMOVED OUT OF LIMITS LT Z/ANGLE FROM STA 872+8 TO 727+10 AND REPAIRED, IAW SRM 53-00-53-2R-5. APPLIED CIC IAW SRM 53-00-53-2R-5 STEP 4N. P/N 146A7502-31.