As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING SYSTEM LIGHTS ILLUMINATED W/EMER LT IN ARM POSITION. CYCLED EMER LT SWITCH OFF AND EMERGENCY LIGHTS REMAINED ILLUMINATED. REMOVE AND REPLACE EMERGENCY POWER SUPPLY BATTERY<BR>REF MD11 AMM 33-51-01. OPS CHECK GOOD AT THIS TIME.