As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT A/C PACK LIGHT ILLUMINATED DURING RECALL. GOES OUT DURING MASTER CAUTION RESET. ACFT GROUNDED. PERFORMED NR 1 PACK/ZONE TEMP CONTROLLER BITE TEST IAW AMM 21-61-00-700-806-002. TCV FAULT. REMOVED AND REPLACED THE NR 1 TCV IAW AMM 21-51-10, 3 CIRCUIT BREAKERS PULLED AND RESET.