# NTSB Accident ANC89LA147
> **CESSNA 175** · 1989-08-21 · ANCHORAGE, AK, USA · NONE
## Event
- **NTSB number:** ANC89LA147
- **Event ID:** 20001213X29008
- **Type:** Accident
- **Date:** 1989-08-21
- **Location:** ANCHORAGE, AK, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** CESSNA
- **Model:** 175
- **Registration:** N6929E
- **FAR Part:** 091
- **Engines:** 1
- **Damage:** SUBS
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

FAILURE OF THE ACCESSORY DRIVE (CRANKSHAFT) DOWEL PIN AND/OR GEAR BOLT, WHICH RESULTED IN THE ACCESSORY DRIVEGEAR BECOMING DISCONNECTED FROM THE CRANKSHAFT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ANC89LA147) · AI Analytics · CC0 1.0*