As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT THE TOP OF CLIMB WHEN THE THRUST LEVERS WERE BROUGHT BACK TO IDLE THE NR 2 ENGINE MADE A LOUD BANG LIKE A COMPRESSOR STALL. THE AIRCRAFT CONTINUED THE APPROACH AND LANDED UNEVENTFULLY. REPLACED THE SAFETY RELIEF VALVE. GROUND OPS CHECKED WERE GOOD. AIRCRAFT WAS RETURNED TO SERVICE.