As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMBOUT PASSING FL120, ACFT EXPERIENCED LOUD NOISE AND SHUDDER AND FLASH OF LIGHT FOLLOWED BY INCREASE IN NR 1 ENG EGT TO 960 DEGREES. ENGINE SHUT DOWN. DUMPED FUEL AND RETURNED TO SNN. REPLACED NR 1 ENGINE PER BMM 71-00-02 AND PAC M7100-002/M7111-001, M783-007 AND M7100-001.