As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN ZONE TEMP LIGHT ILLUNINATED ON RECALL. LIGHT GOES OUT AFTER MASTER CAUTION RESET. ACFT GROUNDED. BITE CHECK TO VERIFY FAULT & RESET PACK/ZONE TEMP CONT. CONDUCTED FIM 21-62 TASK 842 TO RE-EVALUATE. ZONE TEMP LT DID NOT ILLUMINATED DEFECT WAS INTERMITTENT FAULT.