As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMERGENCY LIGHTING: AFTER TWO 30 MINUTE RECHARGE ATTEMPTS, EMER LIGHTS WILL NOT COME ON IN THE ARM POSITION. CORRECTIVE ACTION: REMOVED AND REPLACED ALL 4 EMERGENCY LIGHT POWER SUPPLYS. PERFORMED PROCEDURE FOR CHARGING POWER SUPPLYS. ALSO PERFORMED EMERGENCY LIGHT OPERATIONAL CHECK. NO DEFECTS NOTED. AIRCRAFT RETURNED TO ORIGINAL CONFIGURATION. WORK PERFORMED IAW CE-680A AMM 33-50-06.