What was found
DURING C-04 CHECK, EXFOLIATION CORROSION WAS FOUND ON SEAT TRACK Y765 RT, FORWARD OF FS 66. MAINTENANCE REMOVED CORRODED SECTION OF SEAT TRACK Y765 RT AT FS 66; FABRICATED A NEW REPLACEMENT SECTION OF SEAT TRACK; INSTALLED REPAIR PART IAW A320 SRM 51-42-11, FIG 18.