What was found
MAIN CABIN FLOOR STR STA 354, RBL 45 HAS AREA OF CORROSION (OUT OF LIMITS). REMOVED FLOOR SUPPORT BS 345-365, RBL 45, IAW SRM 51-40-02. REMOVED STIFFNERS AND NUTPLATES IAW SRM 51-40-02. CHECKED LIMITS OF SUPPORT AND FOUND TO BE OUT OF LIMITS IAW SRM 53-00-04, FIG 101.0 REG MATL THICKNESS; .050" AFTER REWORK; .043" REMOVED; .007". FABRICATED NEW SUPPORT IAW SRM 51-10-02. LOCATED AND DRILLED SUPPORT IAW SRM 51-40-05. TREATED & PRIMED SUPPORT IAW SRM 51-20-01. PAINTED SUPPORT IAW AMM 51-21-00-7. INSTALLED FLOOR SUPPORT, STIFFNERS AND NUTPLATES NR BS 345-365, RBL 45, IAW SRM 51-40-02.