As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FIRST OFFICER'S WINDOW SQUEAL ON FLIGHT DECK DURING CLIMB. ATTEMPTED TO OPEN AND CLOSE DURING CLIMBOUT. DISCOVERED A LOOSE SEAL COMING OUT OF TRACK WHICH PREVENTED THE WINDOW FROM CLOSING PROPERLY. SEAL WAS REINSTALLED IN TRACK AND WINDOW OPERATED NORMALLY.