As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON SLAT TRACKS UPPER/LOWER,1-2 AND 2-2 AT LH WING. TRACK 2 OF SLAT 2 WAS MEASUREMENT AND WAS FOUND WITHIN LIMITS PER REO 690-57-42-950 REV-. TRACK 2 OF SLAT 1 WAS REPLACED PER CRJ-900 AMM27-81-41-000-802-A01 AND AMM 27-81-41-400-802-A01