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 F5 AND F6 BEARING SUPPORT CORRODED. MAINTENANCE REPLACED THE LEFT WING F5 AND F6 FLAP TORQUE TUBE BEARING SUPPORT IAW EMB 170 AMM 27-51-04. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.