What was found
CORROSION ON RH 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 AT CPAX. RH SIDE RAIL BTW FS=409 TO FS=469, FS=470 TO FS=565, FS=566 TO 669.40, FS=744 TO FS=761 AND FS=785 TO FS=977 AT CPAX WERE EVALUATED OUT OF LIMITS PER SRM 53-21-49-101-001-A01, SRM 53-31-49-101-001-A02, SRM 53-41-49-101-001-A02 & SRM 53-51-49-101-001-A02 AND REPLACED PER CRJ-900 AMM 53-00-49 (CONFIG A12). RH SIDE RAIL BTW FS=669.40 TO FS=720.85 WAS CLEANED PER CRJ 900 SRM 51-26-00-001-001-A01, DVI WAS PERFORMED AND NOT DAMAGE WAS FOUND PER NDTM 51-20-009-210 (CONFIG A01).