As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
#2 ENGINE OVERHEAT LIGHT ILLUMINATED DURING CLIMB OUT. RAN QRH CHECKLIST; LIGHT EXTINGUISHED WHEN THROTTLE WAS RETARDED TO IDLE. RETURNED TO DAL<[01] REMOVED AND REPLACED #2 ENGINE R/H CORE FIRE DETECTOR PER AMM 26-11-01. OPS CHECK GOOD.