As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
100233442 - SMOKE CREW REST ENGINE-INDICATING AND CREW-ALERTING SYSTEM ON TAKE OFF AT APPROXIMATELY 1600. WET SOCK SMELL. SELF CORRECTED. PERFORMED FIRE TEST AND CREST SMOKE DETECTORS SELF TEST. ALL PASS IAW B747 AMM 26-13-00. PERFORMED CONDITIONAL INSPECTION FOR SMOKE AND FUMES IN COCKPIT IAW B747 AMM 05-51-56. CLEARED WATER FROM PACK 3 DUCT IAW B747 AMM 21-00-01. NO FURTHER DEFECTS NOTED.