As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT NOT GROUNDED. ELECTRICAL SMOKE ODOR DETECTED BETWEEN BUSINESS AND COACH. ODOR WENT AWAY WHEN BOTH RECIRCULATION FANS WERE TURNED OFF. UPPER RECIRCULATION FAN MAKING A LOT OF NOISE. REMOVED AND REPLACED THE FORWARD UPPER RECIRCULATION FAN IAW AMM 21-25-01. LEAK AND OPERATIONAL CHECKS NORMAL WITH NO ELECTRICAL OR SMOKE SMELL NOTED.