What was found
PILOT REPORTED ODOR OF BURNING WIRES , RETURN TO DEPARTURE AIRPORT. MAINTENANCE FOUND LOOSE BLEED AIR LINE BEHIND CO-PILOT RADIO RACK, GROUND RUN CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PILOT REPORTED ODOR OF BURNING WIRES , RETURN TO DEPARTURE AIRPORT. MAINTENANCE FOUND LOOSE BLEED AIR LINE BEHIND CO-PILOT RADIO RACK, GROUND RUN CHECK GOOD.