As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE THIRD CREW MEMBER'S READING LIGHT RHEOSTAT ELECTRICALLY SHORTED TO THE ADJACENT OXYGEN MASK CONTAINER. THE READING LIGHT CIRCUIT BREAKER TRIPPED. THIS COULD HAVE BEEN A POTENTIAL SERIOUS INCIDENT. THE OPERATOR SUGGESTED TO DASSAULT NOT TO USE RHEOSTATS WITH OPEN CONTACTS. AIRCRAFT TOTAL TIME: 322.4 HOURS. LANDINGS, 215.