As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTS ILLUMINATED DURING FLIGHT WITH THE EMER LT SWITCH IN THE ARM POSITION. PICTURES ATTACHED. REMOVED FWD AND AFT EMER LIGHT BATTERIES AND INSTALLED A CUSTOMER SUPPLIED NEW FWD AND AFT EMER LIGHT BATTERIES IAW PHENOM 300 AMM TASK 33-52-01-000-801-A/400-801-A OPERATIONAL TEST SATISFACTORY PERFORMED IAW PHENOM 300 AMM TASK 33-52-00-710-801-A NO DEFECTS NOTED AT THIS TIME.