As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DEPARTURE AT 4500 FT, RT ENGINE BEGAN OSCILLATING- AUTO IGNITION ON ENGINE OUT PAGE CAME UP. REDUCED POWER/ RETURED TO DEPARTURE. NO LIMITS EXCEEDED. TROUBLESHOT IAW FIM, TASK 803. REPLACED NR 2 ENGINE NR 2 SPEED PROBE SHEARED IAW MM. OPS AND LEAK CHECK PENDING. OPS AND LEAK CHECK GOOD IAW MM. NO FAULTS NOTED.