# NTSB Accident WPR14LA253
> **MCDONNELL DOUGLAS HELICOPTER 500N** · 2014-04-18 · Santa Monica, CA, USA · NONE
## Event
- **NTSB number:** WPR14LA253
- **Event ID:** 20140619X75837
- **Type:** Accident
- **Date:** 2014-04-18
- **Location:** Santa Monica, CA, USA
- **Coordinates:** 34.016109, -118.451385
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 4
- **Total aboard:** 4
## Aircraft
- **Make:** MCDONNELL DOUGLAS HELICOPTER
- **Model:** 500N
- **Registration:** N522GS
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fracture of the right aft landing gear strut due to undetected fatigue cracking in an inboard rivet hole.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=WPR14LA253) · AI Analytics · CC0 1.0*