As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RH SIDE SEAT RAIL CORRODED BETWEEN FS677 TO FS720 AT STGR 15L FABRICATED SEAT RAIL AT STR15R BETWEEN FS672 AND FS722 AS PER MHIRJ REO# 670-53-00-587 REV. -C DATED 2023-02-08. STEP 3.B MATERIAL USED PN: 670-53-00-692-1 AND INSTALLED IAW CRJ900 AMM 53-00-49-400-801-A07.