As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED ALL EMERGENCY LIGHTS WOULD SHUT OFF AFTER 4 SECONDS. MX REMOVED AND REPLACED ALL 4 EMERGENCY LIGHT BATTERIES AND THE LIGHTS OPERATED NORMALLY. PART NUMBER / SERIAL NUMBER LISTED IN THE PARTS SECTION IS POSITION 1. POSITION 2 P/N AD2013-1A S/N 205289 HOURS 33955 CYCLES 33070. POSITION 3 P/N 2013-1A S/N 122495 HOURS 11537 CYCLES 10612. POSITION 4 P/N 2013-1A S/N 503158 HOURS 837.23 CYCLES 764