As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TRIPPED CIRCUIT BREAKER FOR WINDSHIELD WIPER SYSTEM FOUND WATER CONTAMINATION IN CONVERTER DUE TO BAD SHAFT SEALING. SUBMITTER RECOMMENDS CONVERTERS BE DISASSEMBLED, CLEANED, AND RE-GREASED ON A 'TIME IN SERVICE' INTERVAL TO PREVENT THIS PROBLEM. SHAFT SEAL TYPE INADEQUATE.