As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMANDED CHANGES IN THE NR 1 ENGINE N1, N2 FUEL FLOW DURING POWER SURGES FROM BAD CPU. NO THRUST LEVER MOVEMENT. PERFORMED PIMU BITE PROCEDURE AND GROUND TEST ON BOTH ENGINES BY PLACING EEC MAINT (L/R) ENGINES POWER SWITCH ON P61 PANEL TO TEST PER FIM 71-01 FT 810. NO FAULTS FOUND AT THIS TIME.