As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION DETECTED ON R/H FLOOR SEAT TRACK (RBL 9.00), THAT SPANS FROM F.S. 485.00 TO F.S. 581.00, IN NUMEROUS PLACES (MARKED). (C-CHECK) RO 3/2/2021 CORROSION ON RH FLOOR SEAT TRACK (RBL9) FS485 - FS581 FOUND TO BE OUT OF LIMITS. REPLACED SEAT TRACK REF CRJ-700 AMM 53-00-49-400-801-A03