As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
'SUPPLEMENTAL INFOMATION' SHIP 180 -DIV/IFSD- DIVERTED TO LHR DUE TO LEFT ENGINE COMPRESSOR STALL. FLIGHT CREW SHUTDOWN ENGINE ON APPROACH DUE TO RISING EGT. CORRECTIVE ACTION: MAINTENANCE FOUND METAL IN TAIL PIPE, REPLACED LEFT ENGINE. (4638134)