As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EWR-DURING PRE-FLIGHT INSPECTION THE CREW REPORTED THAT UPON APU START THE CABIN FILLED WITH SMOKE. MAINTENANCE PLACED THE APU ON MEL ATA49-00-00 CONTROL 001068, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 10/02/00 THE AIRCRAFT LANDED AT IAH WHERE MAINTENANCE REMOVED AND REPLACED THE AFFECTED APU, REMOVED THE MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.