What was found
DURING OPERATIONAL CHECK OF NR 1 ENGINE NACELLE LOWER WING ANTI-ICE LIGHT, OBSERVED SMOKE COMING FROM SCREW HEAD AT LIGHT ASSY. REVERSED POWER AND GROUND WIRES AT LIGHT SOCKET.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING OPERATIONAL CHECK OF NR 1 ENGINE NACELLE LOWER WING ANTI-ICE LIGHT, OBSERVED SMOKE COMING FROM SCREW HEAD AT LIGHT ASSY. REVERSED POWER AND GROUND WIRES AT LIGHT SOCKET.