As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED DUE TO REPORT OF FUMES IN THE CABIN ISOLATED TO THE NR 2 ENGINE. [07-17-07] CHECKED APU INLET & FOUND INTAKE SCREEN FULL OF CICADAS. SUSPECT ALL SMOKE AND ODOR RELATED LOG ITEMS CAUSED BY CICADAS WHICH WERE BURNED BY LOAD COMPRESSOR OF APU. REPLACED APU DUE TO POSSIBLE FOREIGN OBJECT INGESTION.