As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL LEFT PACK LIGHT ILLUMINATED ON RESET LIGHT WENT OUT. ACFT GROUNDED. REMOVED AND REPLACED RAM AIR ACTUATOR NR 1 IAW AMM 21-51-21. PERFORMED NR 1 PACK ZONE TEMPERATURE CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002, NO FAULTS.