What was found
IAH - DURING C-CHECK INSPECTION, THE FLOORBEAM AT FRAME 36 RIGHT TO CENTER WAS FOUND TO HAVE CORROSION IN THE SCREW HOLES. MAINTENANCE PERFORMED TWO DOUBLER REPAIRS IAW CONTINENTAL EXPERSS ENGINEERING CHANGE AND REPAIR AUTHORIZATION EC5310-01037, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)