What was found
FUMES /SMOKE IN REAR OF AIRCRAFT AFTER APU START. DISSIPATED AFTER ENGINE START AND APU SHUTDOWN. APU REPLACED AND DUCT BURNOUT PERFORMED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FUMES /SMOKE IN REAR OF AIRCRAFT AFTER APU START. DISSIPATED AFTER ENGINE START AND APU SHUTDOWN. APU REPLACED AND DUCT BURNOUT PERFORMED.