What was found
LOUD UNUSUAL NOISE FROM OUTSIDE THE AIRCRAFT. NOSE SERVICE DOOR NOT LATCHED. SECURED DOOR AND AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOUD UNUSUAL NOISE FROM OUTSIDE THE AIRCRAFT. NOSE SERVICE DOOR NOT LATCHED. SECURED DOOR AND AIRCRAFT RETURNED TO SERVICE.