As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING PUSH BACK A FUEL LEAK ON THE RT WING CAUSED THE PUSH BACK TO BE STOPPED. FIRE DEPARTMENT WAS CALLED TO THE ACFT. ACFT WAS TOWED BACK TO THE GATE AND MAINTENANCE IS INVESTIGATING THE CAUSE OF THE FUEL LEAK. FLT WILL RE DEPART WITH A DIFFERENT ACFT DEFUEL AND TRANSFER CARRIED OUT, UNABLE TO FAULT VENT SYSTEM, JET PUMP 69QM JET NOZZLE REPLACED IAW AMM 28-21-53, CONTINUE SERVICE.