What was found
ON FLIGHT 9802 THE CREW REPORTED A SMOKE SMELL WITH NO VISUAL SMOKE INDICATION. THE AIRCRAFT WAS REMOVED FROM SERVICE. MAINTENANCE REPORTED AN AIR TURNBACK DUE TO A POSSIBLE LIGHTNING STRIKE. THE AIRCRAFT RETURNED TO ABI. PERFORMED ENGINE RUNS IAW RR MM 72-00-00, NO SMOKE SMELLS NOTED. SUSPECT REMAINS OF COMP WASH WHEN THE ANTI-ICE VALVE WAS OPEN WHICH CREW INDICATED THAT IS WHEN THE SMELL OCCURRED. THE AIRCRAFT WAS RETURNED TO SERVICE.