What was found
DURING ROUTINE C CHECK, FOUND FLOOR SUPPORT FLANGE CRACKED AT STATION 1160 LONGERON 31 RIGHT. REMOVED DAMAGE, FABRICATED DOUBLER AND FILLER, LOCATED, DRILLED, TRIMMED, DEBURRED, TREATED, PRIMED, INSTALLED FILLER AND DOUBLER AND NEW FASTENERS AT AT STATION 1160 LONGERON 31 RIGHT IAW DC8 SRM 54-4-1, 53-4-1, 53-2-0, 51-1-20D, 51-1-20A, AND 51-1-8.