As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DLH - FLT 4465 - OPERATIONS REPORTED THE EMERGENCY LGIHTS ON THE AIRCRAFT ARE IN THE ON POSITION AND COULD NOT ACCESS THE COCKPIT. EMERGENCY BATTERY PACKS ARE LOW. REPLACED 4 BATTERY PACKS P/N 2013-1A S/N 73055, P/N 2013-1A S/N 69967, P/N 2013-1A S/N 73159, P/N 2013-1A S/N 70931. (M)