As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OPERATIONAL CHECK OF THE EMERGENCY LIGHTS (AISLE 15 RH AND WING EMERG. LIGHT AFT RH), WERE FOUND INOPERATIVE. ROUBLESHOOTING WAS PERFORMED, BATTERY PACK (M1671) OF OVERWING EMERG LIGHT AFT RH AND EMERGENCY LIGHT LAMP (AISLE 15 RH) WERE REPLACED IAW FIM 33-50 TASK 801. SATISFACTORY TESTS.