As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF PASSING FL17, THE ENGINE SURGED AND THE POWER ROLLED BACK TO 60-70 PERCENT FOR APPROX 3 SEC. BEFORE IT RECOVERED TO 100 PERCENT. ALL PARAMETERS REMAINED NORMAL AFTER THE EVENT. POST FLIGHT TROUBLESHOOTING IS FOCUSING ON A POSSIBLE FAULTY ENGINE ELECTRONIC CONTROL.