What was found
DURING HEAVY CHECK, FLIGHT DECK FLOOR BRACKET AT FRAME 12 OTBD OF CAPTAIN`S LT SEAT TRACK IS CRACKED. MAINTENANCE R & R FLIGHT DECK FLOOR BRACKET AT FRAME 12 OTBD OF CAPTAIN`S LT SEAT TRACK IAW SRM 51-40-02, 51-41-01, PN 170-13238-001, BRACKET.