What was found
DURING HEAVY CHECK MAINTENANCE NOTED SEVERAL PASSENGER SEAT PANS CRACKED AT POSTIONS 18A, 17C, 17D, 16C, 16F, 15A, 15F,15D, 14F, 14D, 13C, 13A, 13F, 13D, 12C, 12D, 12F, 12A, 11F, 11D, 4F, 7A, 8A, AND 11D. MAINTENANCE REMOVED AND REPLACED THE SEAT PANS PER THE EMB AMM AND SRM. AIRCRAFT STILL IN HEAVY CHECK.