As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FLOOR SEAT RAILS IN SECTION FS 485 TO FS 565; FS 581 TO FS 661 +16 27 LBL; FS 485 TO FS 565 9 LBL 9 RBL; FS 581 TO FA 661+16, 9 LBL 9 RBL AT PAX CABIN. NEW SECTIONS OF SEAT RAILS FS 485 TO 565 27 LBL; FS 485 TO FS 565 9 LBL 9 RBL; FS 581 TO 661 9 LBL 9 RBL WERE REPLACED, PER CRJ-900 AMM 53-00-49-400-801-A04.