# NTSB Accident ATL89FA112
> **BELL 206B** · 1989-03-22 · ATLANTA, GA, USA · SERS
## Event
- **NTSB number:** ATL89FA112
- **Event ID:** 20001213X27825
- **Type:** Accident
- **Date:** 1989-03-22
- **Location:** ATLANTA, GA, USA
- **Coordinates:** 33.780971, -84.380722
## Injuries
- **Highest injury:** SERS
- **Fatal:** 0
- **Serious:** 1
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 1
## Aircraft
- **Make:** BELL
- **Model:** 206B
- **Registration:** N5004F
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

FATIGUE FAILURE OF THE ENGINE SPUR ADAPTER GEARSHAFT IN AN AREA WHERE THERE WAS A LACK OF LUBRICATION (OIL STARVATION) DUE TO A PARTIALLY BLOCKED OIL DELIVERY TUBE.  CONTRIBUTING FACTORS WERE:  INATTENTIVE MAINTENANCE OR SERVICING OF THE AIRCRAFT BY UNKNOWN MAINTENANCE PERSONNEL, THE LIGHT CONDITIONS AT DUSK, AND THE ELECTRICAL (TRANSMISSION) WIRE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL89FA112) · AI Analytics · CC0 1.0*