What was found
(LOG 1042567) CORROSION AT SEAT TRACK AT PAX CABIN FLOOR STRUCTURE (CPAX) RBL 24 AND RBL 45 BTW STA 520 ORIGINAL THICKNESS IN TOPP SURFACE OF THE TRACK IS 0.530IN AND THE MINIMUN REMAINING THICKNESS IS 0.505IN AND ORIGINAL THICKNESS IN BOTTOM SURFACE OF THE TRACK IS 0.230IN AND THE MINIMUN REMAINING THICKNESS IS 0.220IN; THEREFORE AREAS THEY ARE OUT OF LIMITS PER B737-800 SRM 53-00-52. SEAT TRACK AT PAX CABIN FLOOR STRUCTURE (CPAX) RBL 24 AND RBL 45 BTW STA 520 WERE REPLACED PER B737-800 SRM 51-40-02-0G.