As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON MAINTENANCE INSPECTION FOR FLIGHT 3301 FOUND THE AFT NR 4 FLASHLIGHT BATTERY TO BE INOPERABLE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FLASHLIGHT BATTERY. THE OPERATIONAL CHECK WAS GOOD IAW EMB AMM 33-51-01. THE AIRCRAFT WAS RETURNED TO SERVICE.