As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT REMAINS ILLUMINATED AFTER MASTER CAUTION RECALL OCCURRED AFTER PUSHBACK. GROUNDED - YES. C/W B737-800 FIM 21-53 TASK 821, BITE TESTED GOOD BOTH CHANNELS, FAULT CLEARED, OPS TESTED AIR CONDITIONING SYSTEM IAW B737-800 AMM 21-51-65, OPS GOOD NO FAULTS.