As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3751 THE CREW REPORTED THE COCKPIT BATTERY MASTER TOGGLE SWITCH WAS BROKEN OFF. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE BATTERY MASTER TOGGLE SWITCH PER STANDARD PRACTICES & AMM 24-13-01. THE OPERATIONAL CHECK WAS GOOD IAW AMM 24-13-01. THE AIRCRAFT WAS RETURNED TO SERVICE.