As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- NR 2 ENGINE LOST 20 PERCENT TORQUE ON CLIMBOUT. NO CAUTION LIGHTS ILLUMINATED. ALL ENGINE PARAMETERS APPEARED NORMAL WITH THE EXCEPTION OF NL WHICH WAS ABOUT 7 PERCENT LOWER THAN NR 1. RETURNED TO FIELD. AIRCRAFT LANDED WITHOUT INCIDENT. REMOVED AND REPLACED NR 2 PCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.