# Incident 19990515017449I: Bolkms BO209MONSUN, Ann Arbor, MI, May 15, 1999

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: May 15, 1999, 14:05 local time
- Place: Ann Arbor, MI
- Airport: Ann Arbor Municipal Airport
- Damage: Minor damage
- Phase of flight: Level Off Touchdown
- Operating rules: General operating rules (Part 91)
- Location: 42.2229° N, 83.7457° W: Placed by OpenAirDocs at ANN ARBOR MUNI (ARB), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2229&lon=-83.7457&mi=10
- Aircraft: N209DB, registered now (https://openairdocs.org/aircraft/N209DB) (OpenAirDocs)
- Registry model: Messerschmitt-Bolkow-Blohm BO 209 MONSUN (registry code 5626007, https://openairdocs.org/model/messerschmitt-bolkow-blohm-bo-209-monsun) (OpenAirDocs)
- Registry engine: Lycoming 0-320 series (registry code 41508, https://openairdocs.org/engine/lycoming-0-320-series) (OpenAirDocs)
- Reported make and model: BOLKMS BO209MONSUN
- Reported engine: LYC O320E2C
- People aboard: 1
- Fatal injuries: 0
- Pilot flight hours: 75 total, 35 in this make and model, 15 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19990515017449I

## Narrative

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

THE CIRCLIP AT THE END OF THE NOSE GEAR SHAFT FAILED DUE TO INADEQUATE GROOVE DEPTH. THIS ALLOWED THE SHAFT TO COME OUT OF THE BEARING IN THE SHIMMY DAMPER.  THE GEAR WOULD NOT EXTEND BECAUSE OF THE ANGLE OF THE DEFLECTED AND JAMMED THE NOSE WHEEL.

## Other reports on N209DB (1)

Matched to the same aircraft by N-number and date.

- [Incident 20250615007299I](https://openairdocs.org/incident/20250615007299I), Jun 15, 2025: Messerschitt-Bolkow-Blohm BO 209 MONSUN (N209DB), El Cajon, CA, Minor damage. On June 15, 2025, the incident aircraft flew from Gillespie Field (ksee) to brown field (ksdm) then back to ksee. Per the pilot statement, the flight time was…

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.