As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE, THE COMPRESSOR MOTOR LEADS CAME INTO CONTACT WITH THE FUSELAGE, BELOW THE RH AFT AVIONICS BAY, WITH AIRCRAFT POWER ON CAUSING THE LEADS TO ARC ON THE FUSELAGE DAMAGING THE FUSELAGE INSIDE OF THE AVIONICS BAY. THE DAMAGE WAS FIXED IAW TEXTRON AVIATION DRAWING NO. FR-RB-147-8795.