As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOWING DEPARTURE CREW NOTED STRONG ELEC SMELL IN CABIN. AIR CONDITIONER SWITCHED OFF WHILE SIMULTANEOUSLY ABORTING TAKEOFF & RETURNING TO BASE. ELEC SMELL DISSIPATED. ACFT SHUTDOWN & CHECKED EXTENSIVELY FOR SOURCE BY PILOT & MECHANIC. NO SOURCE IDENTIFIED. ACFT GND RUN & CHECK FLIGHT PERFORMED SATISFACTORILY. ACFT RETURNED TO SERVICE.