# Incident 20200508010369I: Cessna 750, St Ann, MO, May 8, 2020

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 8, 2020, 17:30 local time
- Place: St Ann, MO
- Airport: St Louis Lambert International
- Damage: No damage
- Phase of flight: Cruise/Level Flight
- Operating rules: General operating rules (Part 91)
- Location: 38.7487° N, 90.3700° W: Placed by OpenAirDocs at ST LOUIS LAMBERT INTL (STL), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7487&lon=-90.3700&mi=10
- Aircraft: N610RW (not matched to a registry record)
- Reported make and model: CESSNA 750
- Reported engine: ALLISON AE3007C SER
- People aboard: 8
- Fatal injuries: 0
- Other injuries: 0
- Pilot certificates: Airline transport
- Pilot flight hours: 4,175 total
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20200508010369I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

N610RW A CESSNA CE-750, SERIAL NUMBER 0167 DIVERTED TO STL DUE TO  SMOKE IN THE FLIGHT DECK AFTER DECLARING AN EMERGENCY. THE OCCURRENCE WAS AT 1730 CDT. THE AIRCRAFT LANDED SAFELY AND THERE WERE NO INJURIES. THE AIRCRAFT DIVERTED INTO (STL) DUE TO SMOKE IN THE COCKPIT. THERE WERE 6 PASSENGERS, PILOT AND CO-PILOT ON BOARD. THERE WERE NO INJURIES. MAINTENANCE TROUBLESHOT THE AIRCRAFT. THE UPPER YAW MODULE P/N 9519007-2 WAS FOUND DEFECTIVE AND CAUSED THE SMOKE IN THE COCKPIT. THE UPPER YAW INDICATOR SWITCH WAS SUSPECTED OF STICKING. IT WAS REPLACED WITH A NEW SWITCH P/N 95-44-12. N610RW WAS GROUND RAN, THE YAW MODULE SYSTEM WAS TESTED AND NO DISCREPANCIES WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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