What was found
DURING HEAVY CHECK, INSPECTIONS OF THE INTERNAL FUSELAGE FLOOR STRUCTURE AT CFIII, CORRODED FLOOR SUPPORT BRACKET AT FR 87 UH, LBL 28 REMOVED AND REPLACED WITH NEW IAW ERJ 175 SRM 51-41-01. NRC# 4502703-2000-0289, REV 45 DATED MAY-28-2021.