As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 3659 DURING THE PREFLIGHT INSPECTION THE FLIGHT ATTENDANT FOUND THE FORWARD PERSONAL BREATHING EQUIPMENT FOIL POUCH TORN. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE PERSONAL BREATHING EQUIPMENT AT THE FORWARD CABIN. THE AIRCRAFT WAS RETURNED TO SERVICE.