As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) NO1 AND NO2 INVERTERS FAILED DURING FLIGHT IN HEAVY RAIN - WHEN AIRCRAFT RETURNED TO CLEAR AIR BOTH INVERTERS OPERATED NORMALLY -ON RETURN TO BRISBANE BOTH INVERTERS WERE CHECKED - ONE INVERTER WAS SENT FOR REPAIR DUE TO DETERIORATION OF PROTECTIVE COATING - THE OTHER INVERTER WAS REFITTED SERVICEABLE