As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF, LOST FUNCTION OF BOTH AIR CONDITIONING PACKS. COULD NOT REINSTATE, MADE EMERGENCY DESCENT TO FL100. FLIGHT CONTINUED TO DAL AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED OPERATIONAL CHECK OF SYSTEM, NO TROUBLE NOTED. MAINTENANCE SUSPECTS RAM AIR WAS CLOGGED WITH SNOW.