What was found
CORROSION FOUND AT AFT SEAT TRACK AT FR 84-85, Y-10. (MAJOR REPAIR) (LEVEL 2 CORROSION) BLENDED CORROSION ON AFT LH SEAT TRACK AT FR84-85 AND Y= -10? PER EMB 175 SRM 51-10-03. BLENDED AREA MEASURES (L: 3.5? W: .50? D: .023?) AND IS FOUND TO BE OUT OF ALLOWABLE LIMITS PER EMB 175 SRM 51-23-10/AD01. REMOVED LH AFT CENTRAL SEAT TRACK PER E175 SRM 51-40-08. LOCATED, DRILLED AND ALODINED NEW AFT SEAT TRACK (PN: 170-86081-005) AT FR 84-85, Y-10 PER EMBRAER 175 SRM 51-40-02, SRM 51-23-04. INSTALLED NEW AFT SEAT TRACK (PN: 170-86081-005) AT FR 84-85, Y-10 PER EMBRAER 175 SRM 51-40-08. REMOVED AND REPLACED LH AFT CENTRAL SEAT TRACK AT FR 84-85 PER E175 SRM 51-40-08. LEVEL 2 CORROSION