# NTSB Accident CHI91LA138
> **PIPER PA-22-108** · 1991-04-23 · MILLARD, NE, USA · NONE
## Event
- **NTSB number:** CHI91LA138
- **Event ID:** 20001212X16766
- **Type:** Accident
- **Date:** 1991-04-23
- **Location:** MILLARD, NE, USA
- **Coordinates:** 41.209411, -96.1203
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-22-108
- **Registration:** N5421Z
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

IMPROPER USE OF APU BY UNKNOWN PERSONNEL WHICH RESULTED IN THE AIRPLANE'S ELECTRICAL WIRING MELTING AND SUBSEQUENT SHORT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91LA138) · AI Analytics · CC0 1.0*