As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT THE CREW REPORTED A LOUD NOISE COMING FROM THE RIGHT SIDE OF THE FORWARD FUSELAGE. THE FLIGHT RETURNED TO IAD AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND THE INTERCOM ACCESS DOOR OPEN. THE DOOR AND FUSELAGE WERE INSPECTED. NO DISCREPANCIES WERE FOUND. THE DOOR WAS PROPERLY SECURED AND THE AIRCRAFT WAS RELEASED FOR SERVICE.