What was found
READING LIGHTS WENT OUT AFTER TAKEOFF, PAX SAW SPARKS, BURNING SMELL. FOUND OVERHEAD DECODER AND ONE WIRING HARNESS BURNED. REMOVED DECODER AND HARNESS RUNNING FORWARD TO READING LIGHTS, DEFERRED ITEM TO DMI M25JA1806-131 PER MEL 25-22-1 AND COLLARED CIRCUIT BREAKER.