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 RH MAIN FUEL TANK. CRACK IN CANISTER, WELDED NO. 3 IN WS148 AT RH MAIN FUEL TANK WAS REPAIRED PER REO 670-57-42-577 REV: "--" AND LEAK TEST WAS PERFORMED AND NO LEAK WAS FOUND PER CRJ-900 AMM 28-11-00-790-801 (CONF A01).