What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND RIGHT BEAM SUPPORT PLATE AT FRAME 84 CORRODED. MAINTENANCE REMOVED AND REPLACED THE RIGHT BEAM SUPPORT PLATE IAW EMB 190 SRM 51-40-02, 51-41-02, 51-42-02, AND 51-43-02. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.