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 RESET. GROUNDED - YES. ACCOMPLISHED BITE CHECK PER B737-800 FIM TASK 21-62 TASK 801. PACK TEMP CONTROL BITE PROCEDURE ACCOMPLISHED RESET VERIFIED NO FAULTS VERIFY PACK LIGHT REMAINS OFF AT THIS TIME. A/C OK FOR SERVICE.