As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK, LEVEL 2 CORROSION WAS FOUND ON THE RIGHT SHEAR PANEL AT FRAME 87R TO 88R. MAINTENANCE REMOVED AND REPLACED RIGHT SHEAR PANEL IAW EMB 190 SRM 51-40-02 AND 51-42-00. AIRCRAFT IS CURRENTLY STILL OUT OF SERVICE FOR HEAVY CHECK COMPLETION.