As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON RECALL AND TAXI WE GOT AN AIR COND LIGHT AND BOTH PACK LIGHTS ILLUMINATED. GROUNDED - YES. UPON INSPECTION C/W FIM PACK TEMP CONT PROCEDURE REF B737-900 FIM 21-62 TASK 801, AFTER FAULT CLEARED FOUND NO ASSOCIATED FAULTS, A/C OK FOR CONT.