What was found
ECAM WARNING AFTER TAKEOFF. AFT AVIONICS COMPARTMENT DOOR OPEN. RETURN TO FIELD. LUBRICATED AFT AVIONIC COMPARMENT DOOR PROXIMITY SWITCH
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ECAM WARNING AFTER TAKEOFF. AFT AVIONICS COMPARTMENT DOOR OPEN. RETURN TO FIELD. LUBRICATED AFT AVIONIC COMPARMENT DOOR PROXIMITY SWITCH