As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ELEVATOR #4 HINGE ATTACH HARDWARE AND BONDING JUMPER HARDWARE CORRODED. (C-CHECK) RO 2/20/2020 C/W REPLACEMENT OF CORRODED HARDWARE. CLEANED AND PREPPED AREA OF LIGHT SURFACE CORROSION. APPLIED CORROSION INHIBITING COMPOUND TO AREA AS REQUIRED. DONE IAW CRJ 200 AMM. HARDWARE INSTALLED: AN960XC416 QTY 1, MS35650-302 QTY1 AN960D10L QTY1, MS24665-153 QTY1 MS35338-43 QTY 1