As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT, SMELLED AND SEEN AS A LIGHT MIST, IMMEDIATELY AFTER TAKE OFF. RETURNED (M-2B) T/S AND REMOVED AND REPLACED COCKPIT ACM WITH A NEW UNIT. PERFORMED OPERATIONAL AND LEAK CHECKS. IAW MM 21-51-00. REMOVED AND REPLACED CABIN AND COCKPIT WATER SOCKS. NO DEFECTS NOTED AT THIS TIME. OLD P/N 738-384-33.OLD S/N 200-301-014. NEW P/N 738-384-33. NEW S/N200-7101-360.