As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A CREW ENTRY DOOR HAS NOISE FROM AIRLEAK. NOISE SEEMS TO COME FROM LOWER AFT CORNER OF DOOR. CABIN ALT WAS NORMAL. AIR LEAK NOISE STARTED JUST AFTER TAKEOFF AND CONTINUED THROUGHOUT THE FLIGHTFOUND THE CREW ENTRY DOOR SEAL AT THE MIDDLE LOWER END DISENGAGED FROM THE TRACK ASSY. REINSTALLED SEAL IN THE TRACK ASSY. OK FOR SERVICE.