As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT AND RT PACK "TRIP OFF" LIGHTS W/ "DUCT OVER" LIGHT. ON POST FLIGHT, PACK COOLING DOOR FILLED WITH SNOW. INSPECTED PACK INTAKES AND FOUND SNOW PACKED INSIDE. MELTED SNOW FROM PACK INLET AREA. OPERATED PACKS IAW MM 21-61-000-5 AND 21-55-000-5. OPS CHECK GOOD OK FOR SERVICE.