What was found
CORROSION ON RH SIDE SEAT RAILS (STGR15RH); (4E/A) FROM FS379 TO FS661+90; (1E/A) FROM FS669 TO FS720; (1E/A) FROM FS744 TO FS761 AND (5E/A) FROM FS780 TO FS969 AT PAX CABIN. EVALUATED, DUE TO EXCESSIVE DAMAGE ON LH SIDE SEAT RAILS (STGR15RH); (4E/A) FROM FS379 TO FS661+90; (1E/A) FROM FS669 TO FS720; (1E/A) FROM FS744 TO FS761 AND (5E/A) FROM FS780 TO FS969 AT PAX CABIN PER CRJ-900 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 REMPLACED PER AMM 53-00-49.