What was found
WHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON RT STRINGER TIE AND SUPPORT ANGLE, STA 400 STRINGER 28 RBL 7 WL 148. CORROSION REMOVAL ON SUPPORT WAS WITHIN LIMITS, STRINGER TIE WAS OUT-OF-LIMITS. REMOVED STR TIE, FABRICATED AND INSTALLED NEW STRINGER TIE AT BS 400, STR 28R, IAW SRM 53-10-2, 51-10-4, 51-10-6, 53-10-1.