What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND RIGHT FLOORBEAM CORRODED AT FRAME 87. MAINTENANCE REMOVED AND REPLACED THE RIGHT FLOORBEAM AT FRAME 87 IAW EMB 190 SRM 51-40-02, 51-41-01, 51-43-01, AND 51-42-01. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.