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 ILLUMINATED DURING RECALL AND EXTINGUISHED ON RESET. ACFT GROUNDED. ACCOMPLISHED PACK/ ZONE TEMP CONTROLLER BITE TEST. FLIGHT DECK TRIM VALVE LIGHT ILLUMINATED ON RT PACK / ZONE TEMP CONTROLLER. REPLACED CONTROL COMPT TRIM AIR MODULATING VALVE. OPS NORMAL, NO LEAKS NOTED.