As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INOP EMERGENCY LIGHTS, LH, FIRST CLASS SECTION AND PREMIUM SEATS SECTION, AND LH FWD OUTSIDE EMERGENCY LIGHT AT EXIT HATCH. GROUNDED - YES. REMOVED AND REPLACED BATTERY PACK FOR M2335. OPS CHECK GOOD. AIRCRAFT RESTORED TO NORMAL AFTER MAINTENANCE.