As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN COCKPIT AND CABIN ON TAXI OUT FOLLOWED QRH FOR PASSENGER EVACUATION. EMERGENCY TRUCKS ROLLED AS A PRECAUTION. FLT 4899 DEL 30 MINS. AIR CONDITIONING PACK LT SIDE. R&R LT ACM IAW AMM 21-51-10 OPS AND LEAK CHK GOOD IAW AMM 21-51-00 DML CLEARED PLACARD REMOVED.