# NTSB Incident SEA97IA071
> **McDonnell Douglas DC-8-71F** · 1997-03-12 · PORTLAND, OR, USA · NONE
## Event
- **NTSB number:** SEA97IA071
- **Event ID:** 20001208X07627
- **Type:** Incident
- **Date:** 1997-03-12
- **Location:** PORTLAND, OR, USA
- **Coordinates:** 45.400051, -122.789619
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** McDonnell Douglas
- **Model:** DC-8-71F
- **Registration:** N830BX
- **FAR Part:** 121
- **Engines:** 4
- **Damage:** —
## Conditions
- **Light:** NR
- **Weather:** VMC
## Probable cause

improper installation of four attach bolts on the elevator drive torque tube.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA97IA071) · AI Analytics · CC0 1.0*