As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INITIAL INSPECTION. CRACK ON SLAT TRACK CANISTER 1-3 INSIDE LH WING MAIN FUEL TANK WS 148. (SM)(AD).
SLAT TRACK CANISTER 1-3 INSIDE LH WING MAIN FUEL TANK WS 148 WAS REPAIRED PER REPAIR PER REO 670-57-42-577 REV--LEAK CHECK WAS PERFORMED PER CRJ900 AMM 28-11-00-790-801-A01 AND NO LEAK WAS FOUND