As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING THE FLIGHT TO THE HOSPITAL, AN ELEC BURNING SMELL WAS NOTICED BY THE MED CREW. THE MEDICAL EQUIPMENT WAS NOT WORKING DO TO SOME TYPE OF ELEC FAILURE. TURNED OFF THE POWER TO THE MEDICAL OUTLET & DIVERTED FROM MY COURSE & LANDED SAFELY. ACFT WAS INSPECTED. IT WAS FOUND THAT THE EMS OUTLET WAS NOT WORKING PROPERLY. TROUBLESHOOTING DETERMINED THAT AN A/C D/C ADAPTER HAD FAILED CAUSING THE ODOR IN THE CABIN, THUS CAUSING THE INVERTER PN SS100 TO FAIL.