As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE CLIMBING THRU 15000, NOTICED COCKPIT GETTING EXTREMELY HOT. 47 DEGREES C FLIGHT DECK, 40C MAIN DECK FOUND VALVE DAMAGED. REMOVED AND REPLACED FLOW CONTROL VALVE IAW AMM 21-51-01/401. ZONE TEMP CONTROL SYSTEM OPS NORMAL REF AMM 21-61-00.