As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH WING SPOILERON OB HINGE NUT AND KEEPER BOLTS, MID HINGE NUT, AND IB HINGE NUT AND KEEPER BOLTS ARE CORRODED (C-CHECK RO 10/07/2021) REMOVED AND REPLACED LH WING SPOILERON OB HINGE NUT (P/N: MS17826-5) MID HINGE NUT (P/N:MS17825-6) AND KEEPER BOLTS (P/N: NAS1581F3R4) IAW CRJ200 AMM 27-64-01-400-801.