As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX-BLEED AIRFLOW INADEQUATE, MAIN CABIN NEVER COOLED AT ALTITUDE. DUCT TEMPERATURE NEVER DROPPED BELOW 20 DEGREES WITH OUTSIDE AIR TEMP -10 AT FLIGHT LEVEL 220. DIRTY SOCK SMELL. INSPECTED AND FOUND #1 NACELLE SHUTOFF VALVE LEAKING. REPLACED GASKET AND CLAMP. AIRFLOW INDICATOR NORMAL, AUTO/TEMP CONTROL OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.