As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. DUE TO CABIN ELECTRICAL ODOR. CABIN ODOR TROUBLESHOOTING CARD 26L0021001 WAS OPENED. ACCOMPLISHED CABIN ODOR TROUBLESHOOTING CARD 26L0021001. ODOR AND NOISE ISOLATED TO AVEC EXTRACT FAN. REPLACED AVIONICS FAN PER AMM 21-26-51.