As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE RH WING SLAT #3 WERE FOUND TO HAVE CORROSION DAMAGE ON BOTH THE UPPER AND LOWER SURFACES. PERFORMED PERMANENT REPAIR IAW CRJ900 ILLUSTRATED PARTS CATALOG (IPC) 27-81-41, FIG.10, ITEMS 15,AND 90 (REV. 70 DATED 10 AUG 2021). DEFECT LOCATION: RH WING-SLAT TRACKS 2-1, 2-2, AND 2-3