As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT CREW REPORTED SMELLING A BURNING ODOR IN THE AIRCRAFT WHEN THE AIR CONDITIONER WAS OPERATING. AFTER MAINTENANCE INVESTIGATION, FOUND THE AFT BLOWER MOTOR OF THE AIR CONDITIONER SYSTEM TO HAVE A BURNED ELECTRICAL CONNECTOR. AIR CONDITIONER INSTALLED IAW STC SH2750NM.