As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL A/C PRODUCING ELECTRICAL BURNING ODOR IN A/C. MAINTENANCE REMOVED AND REPLACED SUPPLEMENTAL A/C COMPRESSOR MOTOR P/N 1134104-1, SN/ON 1031, SN/OFF 822. REMOVED AND REPLACED DRIVE BELT P/N 232L100, OPS CHECKS GOOD AT THIS TIME. MXC NOTIFIED REMOVED FROM DMR.