As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION OF PINS IN SOLENOID CONNECTOR CAUSING ARCING AND BURNING OFF PINS RESULTING IN LOSS OF AUTOMATIC CONTROL OF ELEVATOR SURFACE, PCU IS LOCATED IN A RECESS OF THE FUEL TANK IN THE TAIL SECTION. A SAFETY CONCERN SINCE ARCING IS OCCURRING IN THE PROXIMITY OF THE FUEL TANK. SUSPECT CAUSE: FAULTY MATERIALS OR FAULTY SEALING PROTECTION.