As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF THE PASSENGERS AND MYSELF SMELLED ELECTRICAL BURNING IN THE COCKPIT. RETURNED BACK TO THE AIRPORT. AFTER LANDING AND MAINTENANCE INSPECTION THE A/C COMPRESSOR LOCKED UP AND WOULDN'T TURN. TL-259861-2024 – REMOVED, REPLACED AND SERVICED THE A/C COMPRESSOR.