As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SEAT RAIL RBL 9 BTW FS 482 TO 581, FS 581 TO 661+32 AND 661+32 TO 677 AT CABIN. SECTIONS SEAT RAIL RBL 9 BTW FS 482 TO 581, FS 581 TO 661+32 AND 661+32 TO 677 WERE REPLACED PER CRJ900 SRM 53-31-49-101-001-A02 AND CRJ900 AMM 53-00-49 CONFIG A12