As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY EXIT LIGHTS AT R1 POSITION FAILED DURING SERVICE CHECK WALK AROUND. R & R BATTERY FROM THE BATTERY CHARGING PACK AT R1 POSITION IAW MM 31-51-51/201. OPERATIONS CHECKED NORMAL. BATTERY ABS 2013-1A R & R, SN OFF 97119 & SN ON 22922.