What was found
FLT 3013 - CREW REPORTED A STRONG SMELL OF SMOKE IN THE COCKPIT AND CABIN, GREY SMOKE WAS ALSO VISIBLY OBSERVED. MAINTENANCE INSPECTED AIRCRAFT AND REMOVED AND REPLACED THE FORWARD VENT BLOWER IAW B1900D MM 21-10-01. OPERATIONAL CHECKS WERE GOOD, AIRCRAFT RETURNED TO SERVICE. ACFT TT: 1,005.9 HOURS. ACFT TC: 1,196.