What was found
INITIAL INSPECTION. CORROSION ON SIDE SEAT RAILS STRG 15RH BTW (FS379-FS485), ( FS485-FS573 ) ,(FS 573 -FS661+16 ), (FS661+16-FS669.40 ) (SM)(CPAX)(TCI 53-20-301). ON NRC. 00232 CORROSION LEVEL 2. CORROSION ON SIDE SEAT RAILS STRG 15RH BTW (FS379-FS485), ( FS485-FS573 ) ,(FS 573 -FS661+16 ), (FS661+16-FS669.40 ) FOUND OUT OF LIMITS PER CRJ-900 SRM 53-21-51-101-001-A02 WERE REPLACED PER CRJ-900 AMM 53-00-49.