What was found
CONT CAB ZONE TEMP ILLUMINATED UPON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED CABIN ITEM CONTROL VALVE AND OPS CHECK NORMAL REF B737-800 AMM 21-61-21/401.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CONT CAB ZONE TEMP ILLUMINATED UPON MASTER CAUTION RECALL EXTINGUISHES ON MASTER CAUTION RESET. GROUNDED - YES. REMOVED AND REPLACED CABIN ITEM CONTROL VALVE AND OPS CHECK NORMAL REF B737-800 AMM 21-61-21/401.