As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT RECALL CHECK, MASTER CAUTION, AIR CONDITIONER, RT PACK LIGHT ILLUMINATED. RESET AND ALL LIGHTS EXTINGUISHED. ACFT GROUNDED. PERFORMED NR 2 PACK ZONE TEMP CONTROL BITE IAW AMM 21-61-00. FOUND RT RAM AIR DOOR ACTUATOR FAULTED IN CURRENT HISTORY AND VERIFY. REMOVED AND REPLACED THE RT RAM AIR DOOR ACTUATOR IAW AMM 21-51-21. ALL TESTS PASSED.