# NTSB Accident CHI90FA233
> **PIPER PA-23-160** · 1990-08-16 · ODELL, IL, USA · NONE
## Event
- **NTSB number:** CHI90FA233
- **Event ID:** 20001212X23931
- **Type:** Accident
- **Date:** 1990-08-16
- **Location:** ODELL, IL, USA
- **Coordinates:** 40.999851, -88.520591
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 3
- **Total aboard:** 3
## Aircraft
- **Make:** PIPER
- **Model:** PA-23-160
- **Registration:** N4231P
- **FAR Part:** 091
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

A LOSS OF LEFT ENGINE POWER DUE TO OIL ACCUMULATION IN THE RIGHT MAGNETO AND A NON-USABLE SPARK LEAD FROM THE LEFT MAGNETO. IN ADDITION, THE RIGHT ENGINE WAS UNABLE TO PROVIDE ADEQUATE POWER TO MAINTAIN ALTITUDE DUE TO A PARTIAL BLOCKAGE IN THE CARBURETOR BY A SECTION OF AIR INTAKE DUCT WHICH CAUSED THE ENGINE TO RUN RICH.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI90FA233) · AI Analytics · CC0 1.0*