What was found
DURING A "C" CHECK, RT WING LEADING EDGE RIB AT SLAT, STA 260 IS CRACKED. REMOVED AT RT WING LEADING EDGE RIB AT STA 260 FOR FAB IAW B727 SRM 51-30-2, FABRICATED NEW RIB, MAT'L USED 2024-T3 .050 PO NR 9001873,DIM.15 INCH BY 1 1/2 INCH IAW B727 SRM 57-20-2 FIG 1 AND 51-10-2, ALODINE AND PRIMED IAW B727 SRM 51-10-2. INSTALLED NEW RIB IAW B727 SRM 51-30-2.