What was found
DURING HEAVY CHECK, INSPECTIONS OF THE INTERNAL FUSELAGE FLOOR STRUCTURE AT FWD WET AREA, CORRODED UH SEAT TRACK FROM FR 12 UH TO FR 20 UH, LBL 11, REMOVED AND REPLACED WITH NEW IAW ERJ 175 SRM 51-41-01, SRM 51-41-02 AND SRM 51-43-03. NRC 4502703-2000-0279. REV 45 DATED MAY-28-2021, REV 50 DATED OCT-20-2023.