As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT 1000 AGL, CLIMB THRUST WAS SELECTED. THRUST REDUCED TO CLIMB FOLLOWED BY LOUD BANGS AND AIRCRAFT VIBRATION. EGT ROSE RAPIDLY AND LIMIT WAS EXCEEDED. MAX EGT RECORDED WAS 910 DEGREES CELCIUS. LT ENGINE THRUST WAS REDUCED, LOUD BANGS AND VIBRATION STOPPED. ENGINE OPERATED NORMALLY AT A REDUCED THRUST SETTING. (OPEN)