As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT OF FLIGHT NR 2732, SMOKE IN THE CABIN ON PREFLIGHT. NO PASSENGERS WERE LOADED. MAINTENANCE REMOVED AND REPLACED COMPRESSOR MOTOR FAN PN 1250608-3 AND MOTOR FAN SHROUD PN 1250611 IAW CMM 8.8 OPS CHECK GOOD REMOVED FROM DMR MXC NOTIFIED 8328.