# NTSB Accident SEA02LA123
> **Grumman-Schweizer G-164B** · 2002-07-06 · Weiser, ID, USA · NONE
## Event
- **NTSB number:** SEA02LA123
- **Event ID:** 20020715X01121
- **Type:** Accident
- **Date:** 2002-07-06
- **Location:** Weiser, ID, USA
- **Coordinates:** 44.22861, -116.968612
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 1
- **Total aboard:** 1
## Aircraft
- **Make:** Grumman-Schweizer
- **Model:** G-164B
- **Registration:** N8440K
- **FAR Part:** 137
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

The fracture of the number 3 cylinder exhaust pushrod resulting in the exhaust valve's inability to open during the exhaust cycle and the subsequent engine stoppage.  Contributing factors were the ditch and elevated roadway which the aircraft crossed during the gear collapse.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=SEA02LA123) · AI Analytics · CC0 1.0*