What was found
CORROSION ON SIDE SEAT RAILS, FS=677 TO FS=761, STGR15, LH AND RH SIDE SEAT RAILS, FS=677 TO FS=761, STGR15, LH AND RH WERE EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-41-49-101-001-A02 AND WERE REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12).