As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3487 - IN CRUISE FLIGHT TO MSP, THE CREW NOTED THAT SMOKE WAS NOTED WITH THE BLEED AIR ON. THE CREW TURNED OFF THE BLEED AIR SYSTEMS AND CONTINUED TO MSP. MAINTENANCE REPLACED THE RIGHT COMPRESSOR SEAL. ALL CHECKS WERE SATISFACTORILY. (M)