As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LH SIDE SEAT RAIL BTW FS379.00 TO FS720.85. CORROSION ON SEAT RAILS BTW FS379.00 TO FS 662.00 (5EA) WAS REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WERE EVALUATED WITHIN LIMITS PER CRJ900 SRM 53-21-49-101-001-A01; CRJ900 SRM 53-31-49-101-001-A02 AND SEAT RAIL BTW FS622 TO FS720 WAS EVALUATED OUT OF LIMITS PER CRJ900 SRM 53-21-49-101-001-A01 AND WAS REPLACED PER CRJ900 AMM 53-00-49 (CONFIG A12)