What was found
(CAN) DURING CLIMB AT 10,000 FEET, FLIGHT DIRECTOR TURNED ON THE CEILING LIGHTS TO FACILITATE CABIN SERVICE. PASSENGERS REPORTED AT ROWS 37 AND 38 ABC ADVISER, THE FLIGHT ATTENDANT SAID THAT SMOKE WAS COMING FROM OVERHEAD COMPARTMENT. FLIGHT ATTENDANT NOTICED SMOKE AND SPARKS COMING FROM WHERE THE NEON LIGHT CONNECTS TO THE SOCKET. LIGHTS TURNED OFF AND BULB REMOVED. SOCKET REPLACED.