As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATED ON SYSTEM RECALL AND RESET WITH PRESSING MASTER CAUTION LIGHT. GROUNDED - YES. LEFT PACK FAULT CLEARED DURING THE PACK/ZONE TEMP CONTROLLER BITE TEST REF AMM 21-51-00-700-803 AND IS CONSIDERED AN INTERMITTENT FAULT.