As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX ON FLIGHT 2446- AFTER TAKE OFF LEFT ENGINE BLEED CAUTION LIGHT ILLUMINATED. AIRCRAFT RETURNED TO FIELD AND LANDED WITHOUT INCIDENT. REMOVED AND REPLACED PACK INLET PRESSURE SENSOR. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.