What was found
AIRCRAFT WITH CAPTAIN REPORT THAT EGT DIFFERENCES BETWEEN ENGINES CONTINUE AT TAKEOFF RUN, LEFT ENGINE HAD EPR 1.87, EGT 510 °C, RIGHT ENGINE HAD EPR 1.78, EGT 580 °C AND THE ACCELERATION WAS STOPPED AT THIS POINT. AIRCRAFT WAS SENT TO THE HANGAR AND CIRCUMFERENTIAL CRACK BETWEEN 6 TO 7 HRS POS OF SECONDARY PATH COVER WAS DETECTED AND RIGHT ENGINE WAS REPLACED IAW MM 71-00-01 AND 71-00-02, TESTS WERE CORRECT.