As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLAT TRACK 1-1 (P/N CC670-12012-15), 1-2 (P/N CC670-12021-11) AND 1-3 (P/N CC670-12032-7) OF SLAT #1 ON THE LH WING WERE FOUND TO HAVE CORROSION DAMAGE ON THE UPPER AND LOWER FACES. PERFORM PERMANENT REPAIR IAW CRJ7/9 STRUCTURAL REPAIR MANUAL (SRM).51-12-00 PROCEDURES