As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SIDE SEAT RAILS (5EA) STRG 15 RH BTW FS485.00 TO FS669.40 AT PASSENGER CABIN.
SUMMARY: EVALUATED, DUE TO NOT PERMISIBLE DAMAGE ON SIDE SEAT RAILS (5EA´S) STRG 15 RH BTW FS485.00 TO FS669.40 AT PASSENGER CABIN PER CRJ900 SRM 53-31-49-101-001-A02 AND REPLACED PER CRJ-900 AMM 53-00-49 (CONFG. A12).