As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX-BLEED FLOW LOW, UNABLE TO COOL DUCT TEMP BELOW 20 DEGREES IN AUTO OR MANUAL ASSOCIATED SOUR SMELL FROM UNITS DURING OPERATIONS. REMOVED AND REPLACED BLOW OUT SEALS IN ECS BAY UPPER DUCTING. LEAK CHECK GOOD. GROUND RAN AND OPERATIONAL CHECK OF ACM GOOD. AIRCRAFT RETURNED TO SERVICE.