As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE BEARING SUPPORT BETWEEN LEFT 5 & 6 FLAP TORQUE TUBE DRIVES CORRODED. MAINTENANCE REMOVED AND REPLACED BEARING SUPPORT BETWEEN LT 5 & 6 TORQUE TUBE DRIVES IAW EMB 170 AMM 27-51-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.