As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEN/RKS - FLT 7706 - DURING CLIMB-OUT, THE NR 2 ENGINE LOST POWER. THE CREW SHUT DOWN THE ENGINE AS A PRECAUTIONARY MEASURE. THE CREW DECLARED AN EMERGENCY AND RETURNED TO DEN WITH NO FURTHER INCIDENTS. MAINTENANCE CLEANED THE BLEED AIR VALVE AND TEST FLEW AIRCRAFT SUCCESSFULLY. AIRCRAFT WAS RETURNED TO SERVICE. (X)