As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM LHR CREW NOTICED EGT RISE WITH LOSS OF POWER ON NR 1 ENGINE. ENGINE WAS SHUT DOWN AND FLIGHT RETURNED TO LHR. *S/D* NR 1 ENGINE REMOVED. FOUND HIGH PRESSURE TURBINE DAMAGE ORIGINATING AT STAGE 1 BLADE FRACTURED IN AIRFOIL ABOVE THE PLATFORM.