As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED DURING CLIMB A AIR LEAK COMING FROM THE FO'S DV WINDOW. CREW ELECTED TO RETURN TO DFW. AIRCRAFT LANDED AND RETURNED TO THE GATE SAFELY. REMOVED AND REINSTALLED REPAIRED SEAL IN RT DV WINDOW, IAW EMB145 AMM 56-10-02. PERFORMED PRESSURIZATION CHECK IAW EMB 145-AMM 21-51-00 PRESSURE CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.