As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH OB GROUND SPOILER IB AND OB HINGE NUTS ARE CORRODED. (C-CHECK RO 4/25/2021) REMOVED LH OB GROUND SPOILER IAW CRJ 200 AMM 27-65-01-000-801, REINSTALLED SAME SERVICABLE SPOILER AND NEW SERVICABLE GROUND SPOILER LIND ASSEBLY WITH ALL NEW HARDWARE IAW CRJ200 AMM 27-65-01-400-801.REFER TO CONTINUE FOR ALL MAINTENANCE PERFORMED