What was found
DURING A C-CHECK, 4 HAND FUSELAGE 4 E AREA IS GOUGED APPROX STA 720E (MARKED) STR 19L. REMOVED PREVIOUS AT LT/HAND FUSELAGE L/E AREA STA 720E STR 19L IAW B727 SRM 51-30-2. FABRICATED DOUBLER REPAIR MAT USED 2024T3 .071 PO 9001978 DIM 17 X 12 INCH AND 1 EA FILLER MAT USED 2024T3 .063 PO 9001684 DIM 10 X 17 INCH IAW B727 SRM 53-30-2 FIG 2 AND 53-30-3 FIG 14. ALODINED AND PRIMED AREA AND PARTS IAW 13 727 SRM 51-10-2. INSTALLED REPAIR IAW B727 SRM 53-30-3 FIG 14. THIS REPAIR IS CATEGORY-B.