As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT CAME ON, LEFT PACK SHOWED 50 DEGREE C. RESET, AND ONE MINUTE LATER THE LIGHT CAME ON. RESET A SECOND TIME, AFTER 10 MINUTES, OPS NORMAL. ACFT GROUNDED. ACCOMPLISHED FIM TASK 21-53 TASK 813. NO DEFECTS NOTED. GROUND VERIFICATION COMPLETE. SUSPECT INTERMITTENT FAULT.