As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU SMOKE IN CABIN. *S/D* APU WAS REMOVED ON 2/17/01 DUE TO SMOKE IN CABIN. SHOP DISASSEMBLED ENGINE. DURING DISASSEMBLY OF THE NUCLEUS MODULE, FOUND BEARING CARRIER CRACKED RESULTING TO LEAKAGE PAST THE COMPRESSOR SEAL AREA CAUSING A SMELL OR SMOKE IN CABIN.