As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION. CORROSION ON FLOOR SEAT RAIL FROM FS 477 TO 565, LBL 27 AT PAX CABIN. (SM)(CPAX)(TCI 53-20-245). COMPLETE: SUMMARY: OF NRC 00098., CORROSION LEVEL 1.,CORROSION ON SEAT RAIL WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND SEAT RAIL WAS MEASURED DIMENSIONS AS FOLLOW: BLENDED AREA U MAXIMUM DEPTH: 0.008" THEREFORE IT'S WITHIN LIMITS PER CRJ900 SRM 53-31-49-101-001-A02 FIG 53