As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT SIDE EMERGENCY LIGHT AISLE LT 3 LOCATION, OVERWING ESCAPE GROUND ILLUMINATION LT AND OVERWING ESCAPE LIGHT FOUND INOP. GROUNDED - YES. REMOVED AND REPLACED EMERGENCY EXIT LIGHT BATTERY PACK ASSY (M1670) AT STATION 727C AND OPS CHECK NORMAL REF SSM 33-51-13-107 AND AMM 33-51- 00 NOW ALL LIGHT WORK NORMAL.