As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF & DURING CLIMB LT ENG EPR N1 & N2 INDICATIONS FLUCTUATED. EPR FLUCTUATED + - .1 & N1 & N2 VISIBLE CHANGED AS WELL. FOLLOWED QRH 72.08 ENG SURGING POWER WAS BROUGHT BACK TO 1.6 EPR & SURGING STILL CONTINUED. PERFORMED POWER PLANT RUN UP & PARAMETER CHECK FORM M739 WJP 7487. ACCOMPLISHED WORK SCOPE IAW WO 299250, 299249, 299159 & 299157 CHECKED NORMAL ON ENG RUN UP MOC CONCURRENCE OBTAINED.