What was found
DURING HEAVY MAINTENANCE INTERNAL FUSELAGE, CENTER SECTION III, CORROSION FOUND ON R/H I/B SEAT TRACK BEAM AT FR87. INTERNAL FUSELAGE, CENTER SECTION III CORRODED R/H I/B SEAT TRACK BEAM AT FR87 REMOVED AND REPLACED IAW EMBRAER 70/175 SRM 51-42-01 AND 51-43-01.