As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON STARTUP INTERIOR EMER LIGHTS CONTINUOUSLY FLASHING. REMOVED EMERGENCY BATTERY NO.1 AND REPLACED IT WITH A REPAIRED UNIT. REMOVED EMERGENCY BATTERY NO.2 AND REPLACED IT WITH A NEW UNIT. PERFORMED A SATISFACTORY OPERATIONAL CHECK OF THE EMERGENCY LIGHTING SYSTEM WITH NO DEFECTS NOTED. COMPLIED WITH NETJETS TASK CARD: TC-505-33-200403 TO COMPLETION WITH NO DEFECTS NOTED. WORK PERFORMED IAW PHENOM 300 AMM: 33-52-01