As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FINAL APPROACH, LEFT PACK LIGHT ILLUMINATED. RESETS WITH MASTER CAUTION. ACFT GROUNDED. ACCOMPLISHED INTERROGATION OF BOTH LT & RT ZONE TEMP CONTROLLERS. LT ZONE TEMP CONTROLLER FAULTED TEMP CONTROL VALVE REF AMM 21-61-00. REMOVED TEMP CONTROL VALVE & INSTALLED NEW. RE INTERROGATED LT ZONE TEMP CONTROLLER FAULT CLEARED FOR TCV. INSTALLED REF AMM 21-51-10.