As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE RIGHT EPR INDICATOR DROPS .10 WITH LARGE THROTTLE MOVEMENTS SLOWLY RETURNS TO PROPER EPR READING WITH SMALL THROTTLED MOVEMENT. EPR READS NORMALLY ALL ENGINE INDICATION ON RIGHT SIDE WERE NORMAL NO SURGE OR YAW WAS NOTED. REPLACED 9 O'CLOCK 4 EACH PF RAKES PER MM 77-11-04, SYSTEM. OPS CHECKED GOOD. (M)