What was found
FWD FUSELAGE RIGHT FLOOR TRACK AT FR 17 STGR 16-17 R Y=10.6 HAS CORROSION (MAJOR REPAIR)(LEVEL 2 CORROSION)-C/A-BLENDED CORROSION IAW EMB 175 SRM 51-10-03. BLENDED AREA MEASURES L=1.9? W= 1.2? H = .031?. ORIGINAL THICKNESS .080? REMAINING MATERIAL OUT OF LIMITS IAW EMB 175 SRM 53-10-10-AD 01. REMOVED SEAT TRACK FROM FR 12 TO FR 20 IAW EMB 175 SRM 51-40-08.LOCATED , DRILLED, AND COUNTERSUNK NEW RH SEAT TRACK IAW EMB 175 SRM 51-20-03, 51-40-04 TREATED FASTENER HOLES IAW EMB 175 SRM 51-23-04. INSTALLED NEW SEAT TRACK FROM FR 12 TO FR 20 IAW EMB 175 SRM 51-40-08. RESTORED FININSH TO NEW TRACK IAW EMB 175 SRM 51-23-06 AND CPM 51-25-00-910-001-A