As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 1421 - EWR - WHEN EXTERNAL POWER WAS DISCONNECTED AT THE GATE, NONE OF THE OVERHEAD EMERGENCY LIGHTS BEHIND ROW 28 CAME ON. SOME BURNT OUT BULBS HAD TO BE REPLACED AND THE AFT BATTERY CHARGER WAS REMOVED AND REPLACED. OPERATION OF THE OVERHEAD EMERGENCY LIGHTS WAS RESTORED. (M)