What was found
AT ALT, 30,000 FEET WHEN ENTERING WEATHER AND PRECIPITATION, A SULFUR SMELL IN COCKPIT, COCKPIT GOT WARMER TAT WAS -17 DEGREES. RAI NR 1 AND NR 2 WINDSHIELD CONTACTORS, RAI NR 1 AND NR 2 WINDSHIELD TEMPERATURE CONTROLLERS, IAW 145 AMM 30-42-02 AND 30-42-01. ALL COMPONENTS, OPS CHECK GOOD. RETURNED AIRCRAFT TO SERVICE. (M)