As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - INGLIGHT LGA-DFW. CREW REPORTED BANGING NOISE HEARD COMING FROM NOSE OF AIRCRAFT. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. NOISE WENT AWAY WHEN GEAR WAS LOWERED. INSPECTED AIRCRAFT AND FOUND HINGE PIN OF THE EXTERNAL POWER ACCESS DOOR PARTIALLY MIGRATED OUT. REPLACED DOOR HINGE ASSEMBLY. SYSTEM GROUND CHECK NORMAL OPERATION.