As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WITH HANDLE POSITION HANDLE CLOSED, (LATCH HANDLE) OPERATING CRANK IN CLOSED POSITION AND WINDOW INDICATOR CLOSED, FO`S WINDOW WENT OPEN ON THE BACK OF WINDOW, JUST AFTER TAKEOFF, IAW AMM 56-11-02 PAGE 401 THE RT WINDOW WAS REMOVED AND REPLACED.