As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TURNING THE EMERGENCY LIGHTS FROM F/A PANEL THE FWD INTERIOR/ EXTERIOR LIGHTS WILL MOMENTARLY WORK TURN OFF. REMOVED AND REPLACED EMERGENCY PWR SUPPLY UNIT BATT NR 61 WL IAW JIC AMM NR 33-51-21 AND OPT FOUND SATISFACTORY IAW JIC AMM NR 33-50-00.