# NTSB Accident MKC89FA191
> **PIPER PA-20** · 1989-08-30 · MOOSE LAKE, MN, USA · FATL
## Event
- **NTSB number:** MKC89FA191
- **Event ID:** 20001213X29206
- **Type:** Accident
- **Date:** 1989-08-30
- **Location:** MOOSE LAKE, MN, USA
- **Coordinates:** 46.439006, -92.759742
## Injuries
- **Highest injury:** FATL
- **Fatal:** 2
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 0
- **Total aboard:** 2
## Aircraft
- **Make:** PIPER
- **Model:** PA-20
- **Registration:** N2841P
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** DEST
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

SEVERE CORROSION OF THE LOWER FORWARD LIFT STRUT FOR THE RIGHT WING, INADEQUATE INSPECTION OF THE LIFT STRUT BY MAINTENANCE PERSONNEL, AND SUBSEQUENT FAILURE OF THE LIFT STRUT, WHICH RESULTED IN AN OVERLOAD FAILURE (FOLDING BACK) OF THE WING.  RELATED FACTORS WERE: INADEQUATE INSPECTION PROCEDURES PROVIDED BY THE MANUFACTURER & INADEQUATE SURVEILLANCE BY THE FAA.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MKC89FA191) · AI Analytics · CC0 1.0*