What was found
ACFT IN FOR A C-CHECK, WHEN THE NR 4 LT SEAT TRACK WAS FOUND CORRODED IN SEVERAL PLACES. BLENDED AREAS IAW SRM 51-10-03, THE OUT OF LIMIT AREAS IAW SRM 53-00-11 WERE CUT OUT AND FABBED PARTS WERE INSTALL IN THE SEAT TRACK SECTION IAW SRM 53-00-11. ALL WORK WAS ACCOMPLISHED AND WILL BE RELEASED AT THE END OF THE CHECK.