As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON INITIAL CLIMB, NR 2 ENGINE OVERTEMP LIGHT ILLUMINATED (970 DEGREE CELSIUS INDICATED). PARAMETERS RAN DOWN AND ENGINE FIRE CHECK LIST CARRIED OUT. A THREE-ENGINE APPROACH AND LANDING CARRIED OUT FOLLOWING FUEL DUMP PROCEDURE. GROUND CHECKS REVEALED ENGINE COMBUSTION CHAMBER OUTER CASING (CCOC) CRACKED AT L-FLANGE LOCATION. PART TOTAL CYCLES, 10,669.