What was found
TWENTY MINUTES AFTER DEPARTURE STARTED TO NOTICE LIGHT SMOKE, HAZE & ODOR. DETERMINED SOURCE MOST LIKELY FROM HUD WITH EFVS ON. TURNED EFVS OFF & ODOR, SMOKE & HAZE STOPPED. RELEASED FOR SERVICE IAW MEL 31-61-04-01 CATEGORY C, EXPIRATION 17JUL 15. HUD SYS INOPERATIVE, EFVS APPROACH NOT AUTHORIZED. R & R OPU & COMBINER IAW MM 31-82-02-4, 31-82-03-4 & 31-82-4-5.