As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT PACK LIGHT ILLUMINATED DURING MASTER CAUTION RECALL, EXTINGUISHES WHEN RESET. ACFT GROUNDED. RT PACK TEMP CONTROLLER LOGGED TCV FAULT. RAN PACK /ZONE TEMP CONTROLLER BITE TEST AND CLEARED FAULT. RAN RT PACK AND NO FAULT AFTER, NO EXISTING FAULT. OPS CK GOOD REF MM TASK 21-51-00-700-803.