What was found
CORROSION ON SEAT RAILS LBL27 (1E/A) FROM FS364 TO FS480; ON LBL9 (1E/A) FROM FS375 TO FS485, (2E/A) FROM FS581 TO FS669 AND (2E/A). FROM FS685 TO FS977 AT PAX CABIN. WERE EVALUATED, DUE TO EXCESSIVE DAMAGE ON SEAT RAILS LBL27 (1E/A) FROM FS364 TO FS480; ON LBL9 (1E/A) FROM FS375 TO FS485, (2E/A) FROM FS581 TO FS669 AND (2E/A) FROM FS685 TO FS977 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 REPLACED PER AMM 53-00-49.