As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - FLT 772 - AIR TURN BACK, FLIGHT CREW REPORTED NR 2 ENGINE OVERHEAT LIGHT ILLUMINATE INFLIGHT. NR 2 ENGINE WAS SHUT DOWN AND BOTH FIRE EXTINGUISHER BOTTLES WERE DISCHARGED. AIRCAFT RETURNED TO LAS WITHOUT INCIDENT. MAINTENANCE REPLACED ENGINE/APU FIRE CONTROL MODULE AND SYSTEM CHECKED OK. (M)