What was found
DURING HEAVY CHECK, INSPECTIONS ON INTERNALFUSE FLOOR STRUCTURE, CORROSION FOUND ON DOUBLER AT FR 19 L/H, LBL 24, REMOVED BY BLENDING IAW ERJ 175 SRM 51-10-03, MAX MATERIAL REMOVED .002", FOUND WITH IN LIMITS IAW ERJ 175 SRM 53-10-10, AD06. 10 X MAG C/OUT NO FAULT FOUND. REPROTECTED BLENDED AREA IAW SRM 51-23-04, SRM 51-23-05, SRM 51-23-06. NRC# 4502709-1000-0070. REV 49 DATED APRL-28-2023. CORROSSION LEVEL 1