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 LEFT WING FLAP TORQUE TUBE BEARING SUPPORT FOR NUMBER 5 AND 6 POSITON CORRODED. MAINTENANCE REMOVED AND REPLACED THE BEARING SUPPORT IAW EMB 170 AMM 27-51-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.