As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL, RECEIVED MASTER CAUTION LIGHT WITH LEFT PACK LIGHT COME ON. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE ON NR 1 CONTROLLER, FOUND LT PACK TCV FAULT. CLEARED FAULT. RAN LT PACK FOR 1 HR NO PACK LIGHT ILLUMINATED DURING RUN & NOT DURING RECALL AFTER RUN. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE BOTH CONTROLLERS SHOW NO FAULTS, REF FIM 21-62, TASK 801.