As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REPEAT WRITE UP. IN-FLIGHT EMERGENCY, LIGHTS ILLUMINATED, THEN STARTED TO FLICKER. COMPLIED WITH FIM 32-50-00-810-802A INCORRECT FUNCTIONING OF THE EMERGENCY LIGHTS (FLICKERING OR BLINK). EMERGENCY LIGHTS FAILED TEST. REPLACED EMERGENCY LIGHT BATTERIES WITH CUSTOMER SUPPLIED UNITS REFERENCING PHENOM -AMM CH 33-52-01-400-801-A AND OPS CHECKED REFERENCING PHENOM AMM CH 33-52-00-05-1-710-801-A NOTING NORMAL OPERATION AT THIS TIME.