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 ENGINE AFT PYLON HEAT SHIELD VENT CRACKED. MAINTENANCE REMOVED AND REPLACED THE LEFT ENGINE AFT PYLON HEAT SHIELD VENT IAW EMB 190 SRM 51-42-02, AND ETD 2012-190-014088A. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.