# NTSB Accident IAD01FA006
> **British Aerospace JETSTREAM 3201** · 2000-10-20 · DULLES, VA, USA · NONE
## Event
- **NTSB number:** IAD01FA006
- **Event ID:** 20001212X22163
- **Type:** Accident
- **Date:** 2000-10-20
- **Location:** DULLES, VA, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 12
- **Total aboard:** 12
## Aircraft
- **Make:** British Aerospace
- **Model:** JETSTREAM 3201
- **Registration:** N488UE
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** NDRK
- **Weather:** VMC
## Probable cause

The manufacturer's lack of dimensional inspection and repair requirements for the gearbox forward and aft diaphragm, which caused the bull gear to shift and resulted in an uncontained separation of the bull gear during flight

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=IAD01FA006) · AI Analytics · CC0 1.0*