As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH IB GROUND SPOILER OB HINGE NUT AND ANTI-ROTATION PLATE HARDWARE IS CORRODED. (C-CHECK RO 4/12/2021) REMOVED AND INSTALLED NEW SERVICABLE LH IB GROUND SPOILER OB HINGE NUT AND ANTI-ROTATION PLATE HARDWARE IAW CRJ 200 AMM 27-65-01-000/400-801. OPS TEST GOOD.