As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT IN ANNUAL INSPECTION. ELECTROLUMINESCENT PANEL LIGHTING INOPERATIVE. TROUBLESHOT SYS AND FOUND MAIN CIRCUIT BREAKER PANEL, CENTER ROW STRIP PANEL TO BE INTERNALLY SHORTED. REMOVED PANEL FROM CIRCUIT AND ALL OTHER STRIP PANELS LIGHT OK. SENT OUT BAD PANEL FOR REPAIR.