What was found
IMMEDIATELY AFTER T/O, F/A CALLED TO REPORT FUMES IN CABIN, NO VISUAL INDICATIONS. RETURNED TO AIRPORT AFTER DECLARING EMERGENCY. FOUND OIL IN APU INLET. PERFORMED DUCT BURNOUT.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
IMMEDIATELY AFTER T/O, F/A CALLED TO REPORT FUMES IN CABIN, NO VISUAL INDICATIONS. RETURNED TO AIRPORT AFTER DECLARING EMERGENCY. FOUND OIL IN APU INLET. PERFORMED DUCT BURNOUT.