As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OVERSPEED GOVERNOR WHICH SITS ON THE FORWARD LEFT SIDE OF THE ENGINE HAS A DEFECT. THE TEST SOLENOID ELECTRICAL PLUG SITS IN A MANNER THAT WIRES GOING TO THE PLUG ARE DAMAGED WHENEVER THE COWLING IS REMOVED OR INSTALLED. THE PRESENT PLUG IS A STRAIGHT PLUG. THE STRAIGHT PLUG SHOULD BE REPLACED WITH A 90 DEGREE PLUG TO PROVIDE CLEARANCE FOR THE WIRES AND THE COWLING.