What was found
(CAN)DURING FLIGHT THE FLIGHT ENGINEERS DOOR ANNUNCIATOR PANEL TEST SWITCH FAILED AND RESULTED IN ALL LIGHTS ILLUMINATING. THE PANEL WAS REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN)DURING FLIGHT THE FLIGHT ENGINEERS DOOR ANNUNCIATOR PANEL TEST SWITCH FAILED AND RESULTED IN ALL LIGHTS ILLUMINATING. THE PANEL WAS REPLACED.