# Accident 19900710027779A: Bell 206B, Teterboro, NJ, July 10, 1990

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 10, 1990, 16:59 local time
- Place: Teterboro, NJ
- Airport: Teterboro
- Damage: Substantial damage
- Phase of flight: Hovering
- Operating rules: Air taxi and commuter (Part 135)
- Operator: OAPA
- Location: 40.8501° N, 74.0608° W: Placed by OpenAirDocs at TETERBORO (TEB), within about a mile (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.8501&lon=-74.0608&mi=10
- Aircraft: N73LM (not matched to a registry record)
- Reported make and model: BELL 206B
- Reported engine: ALLSN 250C20B
- People aboard: 3
- Fatal injuries: 0
- NTSB investigation: [NTSB NYC90FA156](https://openairdocs.org/ntsb/NYC90FA156) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19900710027779A

## Narrative

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

ENGINE WHINE TORQUE VARIED HOVERING. EXPLOSION. AUTOROTATED. TURBINE SHAFT FAILED DUE CORROSION. INADEQUATE SB.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC90FA156](https://openairdocs.org/ntsb/NYC90FA156), Jul 10, 1990: Bell 206 B3 (N73LM), Teterboro, NJ, substantial damage. Probable cause: FAILED POWER TURBINE SHAFT. FACTORS IN THE ACCIDENT WERE CORROSION ON THE POWER TURBINE SHAFT AND INADEQUATE MANUFACTURER'S SERVICE BULLETINS.

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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