As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAXI OUT PUSH RECALL AND GET BOTH PACK LIGHTS AND ALL 3 ZONE TEMP LIGHTS. THEY RESET OFF WHEN MASTER CAUTION IS RESET. ACFT GROUNDED. BITE TESTED BOTH CONTROLLERS REF FIM 21-62, TASK 801, NO CURRENT FAULTS FOUND. PERFORMED GROUND SYSTEM TEST, NO FAULT FOUND. OPERATED A/C SYSTEM FOR SEVERAL MINUTES, ALL OPERATION AND INDICATIONS NORMAL.