What was found
PLASTIC HOUSING OF THE LIGHT SHIELD P/N 101-530764-1 HAS MELTED DUE TO THE HEAT PRODUCED BY THE HIGH WATTAGE RESISTOR MOUNTED ON THE LIGHT ASSY PRINTED CIRCUIT BOARD P/N PW2014. IT HAD MELTED ENOUGH TO DISFIGURE THE SHIELD AND PRODUCE AN ELONGATED HOLE THE LENGTH OF THE RESISTOR. APPROX 2 INCHES. THE PROBLEM WAS DISCOVERED ON THE REPLACEMENT OF THE FLOURESCENT BULB P/N 5108WW. THERE HAD BEEN NO REPORT OF A BURNING SMELL BY ANY OF THE VARIOUS AIRCREWS, WHO HAVE FLOWN THIS AIRCRAFTI NSPECTION OF OTHER LIGHTS IN THE SAME AIRCRAFT AND ANOTHER SIMILAR AIRCRAFT REVEALS THAT THERE EXISTS A FLEETPROBLEM. RAYTHEON BEECH KINGAIR ENGINEERING HAS BEEN ADVISED OF THE PROBLEM. REFERENCES:- IPC 33-20-00-01 PAGES 0 AND 1 ITE