What was found
LOUD NOISE COMING FROM OUTSIDE AIRCRAFT. FOUND GROUND SERVICE PANEL OPEN. INSPECTED, FOUND SERVICEABLE, AND CLOSED SERVICE PANEL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LOUD NOISE COMING FROM OUTSIDE AIRCRAFT. FOUND GROUND SERVICE PANEL OPEN. INSPECTED, FOUND SERVICEABLE, AND CLOSED SERVICE PANEL.