As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
F/A REPORT CABIN LIGHTING NO SMOKE LIGHTS F/A CALL LIGHTS AND EXIT LIGHTS FLICKERING THROUGHOUT. MAINT TEXT: SUSPECT GENERATOR MALFUNCTION. NEED BOTH ENGINE RUN TO ISOLATE SUSPECTED GENERATOR. FOUND THRESHOLD FLUORESCENT LIGHT ABOVE DOOR 1L FLICKERING, RELAMPED AND RERACKED ALL 3 GCU'S. RAN ENGINES 2 SEPARATE TIMES, NO FLICKERING OF LIGHTS IS NOTED NOW.