What was found
FLT 6425 JFK-BNA, ON HEAVY MAINTENANCE CHECK FOUND FWD CABIN CORROSION ON FR 17 CROSS BEAM. REPAIRED BY BLENDING CORROSION, HFEC INSP, MACHINED TWO L SHAPED ANGLES, REPOSITIONED FLOOR STRUCTURE BRACKET AS REQUIRED, FILL LOW AREAS WITH HYSOL, BLEND SMOOTH AFTER CURE AS PER EA E13-014-01.