As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER T/C 340, COCKPIT EMERGENCY LIGHTS WILL NOT ILLUMINATE DURING EMERGENCY LIGHTING SYSTEM TEST. REMOVED AND REPLACED EMERGENCY LIGHT BATTERY SUPPLY ASSY. OPERATIONAL TEST OF EMERGENCY LIGHTING SYSTEM PERFORMED IAW AMM 33-51. FOUND GOOD.