As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*MULTIPLE AREAS OF CORROSION ON FLOOR SEAT TRACK RBL9 BETWEEN FS 581.00 - 485.00 (C-CHECK RO 5/3/2021) INSTALLED NEW SEAT TRACK AT RBL9 BETWEEN FS485.00 TO FS581.00 REF CRJ-900 AMM 53-00-49-400-801-A07 / USED CALIBRATED TOOL TUC7825 CAL DUE DATE: 28-FEB-22 / ORDERED HARDWARE AS REQUIRED