As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FLIGHT CREW REPORTED THAT THE NO2 INVERTER WAS INTERMITTENTLY FAILING DURING FLIGHT. THE MAINTENANCE TEAM REMOVED AND REPLACED THE NO2 INVERTER WITH INSPECTED UNIT. OPERATION CHECKS WERE SATISFACTORY. THE AIRCRAFT WAS RETURNED TO SERVICE.