What was found
LOUD NOISE FROM FWD ENTRY DOOR AFTER TAKEOFF. AIRCRAFT RETURNED TO BWI, FOUND HINGE PIN OUT AT UPPER HINGE COVER. RESECURED COVER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOUD NOISE FROM FWD ENTRY DOOR AFTER TAKEOFF. AIRCRAFT RETURNED TO BWI, FOUND HINGE PIN OUT AT UPPER HINGE COVER. RESECURED COVER.