As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, NR 1 ENGINE EXPERIENCED A COMPRESSOR STALL AND HIGH EGT. SHUT DOWN ENGINE, DUMPED FUEL AND RETURNED TO FIELD. *S/D* ENGINE REPLACED, NO VISIBLE DAMAGE FOUND, NO CONTROL SYSTEM FAULTS. COMPRESSOR STALL ATTRIBUTED TO LOW N2 COMPRESSOR PERFORMANCE. ENGINE REFURBISHED.