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 REPLACED HEAT SHIELD GRILL NUMBER ONE ENGINE INBOARD AFT PYLON FAIRING. MAINTENANCE REMOVED AND REPLACED THE HEAT SHIELD GRILL IAW EMB ETD 2012-190-011648-B REV B. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.