As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT IMMEDIATELTY AFTER TAKEOFF. MOSTLY COMING FROM CAPTAINS'S VENT. DONNED O2 MASKS. SMOKE LAV MESSAGE FOLLOWED. PERFORMED EMERGENCY PROCEDURE. FA NOTICED SMOKE IN CABIN AS WELL. NO FIRE IN LAVATORY. PERFORMED EVAC AT GATE. LOGGED OVERWEIGHT (50,000). REMOVED AND REPLACED NR 1 CARBON SEAL IAW GE MM. RAN PACKS WITH ENGINES. NO SMOKE IN COCKPIT OR CABIN. ALL CHECKS GOOD.