As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, DUE TO (3) AXIAL CRACKS EXTENDING THROUGH (3) LOUVERS IN THE COMBUSTION CHAMBER LINING (‘NOT PERMITTED’ PER BOROSCOPE PAPERWORK AND AMM) WHICH WAS DISCOVERED DURING THE NR 2 ENGINE BOROSCOPE, ACFT WILL BE UNDERGOING A NR 2 ENGINE REPLACEMENT. INSTALLED SERVICEABLE ENGINE ON NR 2 POSITION PER HAL M275-767 GRD RUN UPS AND LEAK CHECKS OKAY.