As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK LIGHT ILLUMINATES ON RECALL. PACK LIGHT GOES OUT ON MASTER CAUTION RESET. ACFT GROUNDED. NO FAULTS LOGGED AT THIS TIME. DUE TO PREVIOUS PACK HISTORY AND CONTROLLER FAULT LOGGED PREVIOUSLY, REPLACED NR 1 PACK/ZONE TEMP CONTROLLER REF AMM 21-61-20. OPS NORMAL.