As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK IN CANISTER, WELDED NO.3 IN STA. WS148 AT LH MAIN FUEL TANK. WELDED NO.3 IN STA. WS148 AT LH MAIN FUEL TANK. WAS REPAIRED PER REO 670-57-42-577 AND LEAK TEST WAS PERFORMED AND NO LEAK WAS FOUND PER CRJ900 AMM 28-11-00-790-801 (CONF A01).