What was found
DURING A C-CHECK, 4 INCH CRACK ON DOUBLER FWD OF FWD EDGE OF UPPER MAIN SPAR LOCATED ABOVE NR 5 FLAP ACTUATOR AFT END RWS 147 (RIGHT WING). CUT OUT SKIN SPLICE SIZE 10.25 X 2.5 INCH ON L/E SKIN ABOVE NR 5 FLAP ACTUATOR AFT END RWS 147 IAW B727 SRM 51-10-1. FABRICATED SPLICE PLATE FROM 2024-T3 .050 SIZE 10.25 X 2.5 INCH PO 900980 AND SPLICE REPAIR FROM 2024-T3 .050 SIZE 6 X 2.5 INCH PO 900980 IAW B727 SRM 51-40-2, TREATED AND PRIMED PARTS AND AREA IAW B727 SRM 51-10-2. INSTALLED REPAIR PARTS IAW B727 SRM 51-40-2.