As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OBVIOUS AND OVERWHELMING SMELL OF CIGARETTE SMOKE IN PACK 1 SYSTEM. STRONG IN FLIGHT DECK. RAN PACKS, NO SMELL COMING FROM VENTS. TESTED SMOKE DETECTOR AS A PRECAUTION. CHECKED OK. INSPECTED IN ALL CABINETS AND BEHIND LAV SHROUD. INSPECTED LT PACK BAY. NO DEFECTS NOTED. OK TO CONTINUE.