As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE BORESCOPE INSPECTION OF THE COMBUSTION CHAMBER. FOUND FIVE OUTER LINER PANELS THAT HAD ONE CONTINUOUS AXIAL CRACK WITH COOLING RIB 5 CRACKED THROUGH TO COLD SIDE JUST BELOW RT MAIN IGNITER. FOUND BURNED THROUGH AREA IN OUTER LINERS NR 4 & 5 PANELS WITH AXIAL & CIRCUMFERENTIAL CRACKS RUNNING THROUGH BURNED AREAS. JUST BELOW RT MAIN IGNITER. ACFT GROUNDED. REMOVED AND REPLACED THE NR 1 ENGINE.