What was found
INITIAL INSPECTION. CORROSION ON FLOOR SEAT RAILS LBL9 & RBL9 BTW FS 485-581, 581-661+32, 661+32-691. (SM)(CPAX)(TCI 53-20-245). SUMMARY NRC 164 CORROSION LEVEL 2: FLOOR SEAT RAILS LBL9 & RBL9 BTW FS 485-581, 581-661+32, 661+32-691.WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01 AND AMM 53-00-49-400-801