What was found
CORROSION ON LH SIDE SEAT RAILS, (2 SECTIONS) FROM FS379 TO FS 573 AND (4 SECTIONS) FROM FS573 TO FS669 AT PAX CABIN. CORROSION ON LH SIDE SEAT RAILS, (2 SECTIONS) FROM FS379 TO FS 573 AND (4 SECTIONS) FROM FS573 TO FS669 AT PAX CABIN WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 EVALUATED OUT LIMITS PER CRJ-900 SRM 53-31-49-101-001-A02, SRM 53-21-49-101-001-A01 THEREFORE WERE REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01, AMM 53-00-49-000-801 (CONFIG A12) AND AMM 53-00-49-400-801 (CONFIG. A12)