What was found
TOP OF DESCENT WHEN THROTTLES ARE RETARDED COCKPIT FILLS WITH A VERY STRONG NOXIOUS BURNT RUBBER TYPE SMELL . IT SEEMS MORE PROMINENT ON LEFT SIDE OF COCKPIT.SUB:RAN APU OPERATED AT VARIOUS TEMP'S FOUND NO ABNORMAL ODORS. RAN LH/RH ENGINES FOR APPROX 45 MIN AT VARIOUS POWER SETTINGS AND VARIOUS TEMP SETTING NOTICED NO ABNORMAL SMELLS. VISUALLY INSPECTED LH/RH WINDSHEILD ELECTRICAL WIRES FOUND NO DEFECTS C/W NJA TC-750-21-120801M NOTICED NO ABNORMAL ODORS OPS CHECK GOOD.OPERATED WINDSHEILD HEAT NO DEFECTS NOTED