What was found
CORROSION ON LH SIDE RAIL BTW FS=409 TO FS=469, FS=470 TO FS=565, FS=566 TO FS=693, FS=744 TO FS=761 AND FS=785 TO FS=977 AT CPAX. LT SIDE SEAT TRACK BTW FS=409 TO FS=469, FS=470 TO FS=565, FS=566 TO FS=693, FS=744 TO FS=761 AND FS=785 TO FS=977 WERE EVALUATED OUT OF LIMITS IAW SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02, SRM 53-41-49-101-001-A02, AND SRM 53-51-49-101-001-A02 AND REPLACED IAW AMM 53-00-49 (CONFIG A12).