What was found
DURING INSPECTION, FOUND CORROSION ON SEAT TRACK +Y765, FRAME 24 TO 35 WITH MEASURES D=0.040", W= =0.377", L=4.994". EVALUATED AND FOUND OUT OF LIMITS IAW AMDS 2500-20, 30 IN PASSENGER CABIN. THIS SEAT TRACK MUST BE REPLACED. REPLACED SEAT TRACK +Y765 BETWEEN FRAME 24 TO FRAME 35 IAW SRM 51-72-11 AND DWG D53110900.