# NTSB Accident CHI91LA157
> **PIPER PA-34-220T** · 1991-05-14 · EAU CLAIRE, WI, USA · NONE
## Event
- **NTSB number:** CHI91LA157
- **Event ID:** 20001212X16952
- **Type:** Accident
- **Date:** 1991-05-14
- **Location:** EAU CLAIRE, WI, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-34-220T
- **Registration:** N8356B
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE INADEQUATE FINISHING PROCEDURES USED BY THE MANUFACTURER AND THE FAILURE TO COMPLY WITH THE MANUFACTURER'S BULLETIN.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA157) · AI Analytics · CC0 1.0*