As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PIT - FOUND DURING WEEKLY CHECK, MAINTENANCE FOUND THE INTERIOR EMERGENCY LIGHTS AT SEAT ROWS 12 THROUGH 16 AND THE EXTERIOR LIGHTS AT RIGHT OVERWING EXIT AND LEFT AFT FUSELAGE, EXTINGUISH AFTER 10 SECONDS OF OPERATION. MAINTENANCE REMOVED AND REPLACED THE BATTERY PACK AT POSITION NR 5. OPERAITONAL CHECK NORMAL. (M)