What was found
PHX - C8 CK - "C" - CORROSION FOUND ON FLOOR SUPPORT AT BS 365, RBL 50 TO RBL 60, BEYOND SRM LIMITS AFTER CLEAN UP. MAINTENANCE REMOVED DAMAGED FLOOR SUPPORT, FABRICATED REPLACEMENT PART AND INSTALLED IAW B757 SRM 51-40-02, PG 1 AND BOEING DWG 141N5186.