As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - MAINTEANCE FOUND A SECTION OF LOW LEVEL EMERGENCY LIGHTS INOPERABLE AND THE AFT RIGHT OVERWING EXIT LIGHT INOPERABLE. MAINTENANCE FOUND THE M1479 CHARGER ASSY AT STA 598R DEFECTIVE AND THE FUSE BLOWN. REPLACED CHARGER ASSY. OPERATIONAL CHECK GOOD. (X)