What was found
FLIGHT DECK PRIMARY TEMP CONTROLLER INOP. GROUNDED - YES. REMOVE AND REPLACED TRIM MODULATING VALVE FOR CONT CABIN PER B737-800 AMM 21-61-21. OPS CHK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT DECK PRIMARY TEMP CONTROLLER INOP. GROUNDED - YES. REMOVE AND REPLACED TRIM MODULATING VALVE FOR CONT CABIN PER B737-800 AMM 21-61-21. OPS CHK GOOD.