As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT DECK TEMP MANUAL MODE ON FULL WARM, TEMP REACHED 35C. HAD TO SHUT TRIM AIR OFF TO STOP TEMP FROM RISING.(<P>REMOVED CANNON PLUG, SPRAYED VALVE & CANNON PLUG WITH CONTACT CLEANER. REINSTALLED CANNON PLUG, VALVE OPS CHECK OK IN MANUAL MODE PER AMM 21-61-00 (FLT DECK TRIM AIR VALVE).<BR /></P>)