As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED EXTERIOR PANEL DOOR POSSIBLY LEFT OPEN. CREW RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. ON RETURN, FOUND EXTERNAL ACFT POWER PANEL OPEN. MAINTENANCE INSPECTED AC POWER PANEL AND FOUND DOOR SERVICEABLE AND BONDING WIRE BROKEN. BONDING WIRE DEFERRED IAW NON-ESSENTIAL FURNISHING AND EQUIPMENT ITEMS (NEF) LIST. ACFT RELEASED FOR SERVICE.