What was found
DURING C-CHECK AT AERO CORP, FOUND AFT LAVATORY FLOOR SUPPORT BEAM BS 986.5 - BS 1016 LBL 20 DIAGONALLY TO LBL 4 CORRODED BEYOND LIMITS. REMOVED FLOOR SUPPORT FROM STA 986.5 - STA 1016. CORROSION REMOVAL BEYOND LIMITS PER 737 MM 51-10-6 AND MM 51-10-2. FABRICATED SUPPORTS FROM 7075 T6 .100 INCH DIMENSION AREA 22.25 INCHES BY 2 INCHES BY 1.50 INCHES AND 11 INCHES BY 2 INCHES BY 1.50 INCHES. TREATED AND PRIMED PER 737 SRM 51-10-2 AND MM 51-20-11, AND INSTALLED SUPPORTS PER 737 MM 51-30-2. (X)