As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT PACK LIGHT ILLUMINATES ON MASTER CAUTION RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET. PERFORMED PACK/ZONE TEMP CONTROLLER BITE TEST IAW MM 21-61-00. CONFIRMED FAULT, FOUND HARD FAIL ON NR 2 CONTROLLER, THIS PACK TEMP CONTROL VALVE. R & R TEMP CONTROL VALVE (V141) IAW MM 21-61-21. GROUND VERIFICATION TEST GOOD.