As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GYR - EEL - NR 5919942 - DURING C12 CHECK DISCOVERED THE EMERGENCY LIGHTS BATTERY PACK, JUST AFT OF FWD ENTRY LIGHT, WAS OVERHEATING. MAINTENANCE REMOVED AND REPLACED THE EMERGENCY LIGHT BATTERY PACK IAW BOEING 757-200 AMM 33-51-07-2. OPERATIONAL CHECKS WERE GOOD IAW AMM 33-51-07-2 STEP 3D.