What was found
DURING C-CHECK, FUSELAGE SKIN HAS A DENT BS 345 AT STR 21 L. FUSELAGE SKIN BS 345 STR 21L HAS A DENT OUT OF LIMITS IAW B-727 SRM 53-30-1 FIG 1. CUT OUT DAMAGED AREA DIM 1 X 1.75 INCH IAW B-727 SRM 53-30-3 FIG 1. FABRICATED DOUBLER EXTERNAL REPAIR FROM MAT 2024-T-3 .063 PO 9912380 DIM 10.75 INCH X 7.5 INCH IAW B-727 SRM 53-30-3 FIG 1 AND 53-30-2 FIG 2. TREATED AND PRIMED IAW B-727 SRM 51-10-2. INSTALLED DOUBLER EXTERNAL REPAIR IAW B-727 SRM 51-30-2.