As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - LEFT PRIM ENG EPR FLUCTUATES +/- 0.02 N1 FLUXES +/-0.01 FUEL FLOW FLUXES +/- 0.1. TROUBLESHOT PER FIM 77-11-00-1 FIG 103. NO FAULTS NOTED OPERATED ENGINE MULTIPLE TIMES NO FLUCTUATIONS NOTED ON GROUND. ALL PARAMETERS NORMAL. NO 90 DAY HISTORY PER HAL MOC. OK FOR SERVICE.