# NTSB Incident ATL91IA134
> **de Havilland DHC-8-102** · 1991-07-17 · SAVANNAH, GA, USA · NONE
## Event
- **NTSB number:** ATL91IA134
- **Event ID:** 20001212X17430
- **Type:** Incident
- **Date:** 1991-07-17
- **Location:** SAVANNAH, GA, USA
- **Coordinates:** 32.120975, -81.180801
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 5
- **Total aboard:** 5
## Aircraft
- **Make:** de Havilland
- **Model:** DHC-8-102
- **Registration:** N922HA
- **FAR Part:** 121
- **Engines:** 2
- **Damage:** MINR
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

THE INADEQUATE INSPECTION PROCEDURES WHICH ALLOWED THE LOSS OF TORQUE ON THE TOP RETRACTION FITTING ATTACHMENT BOLT WHICH SUBSEQUENTLY FAILED IN FATIGUE. FACTORS WERE THE LOSS OF  HYDRAULIC FLUID THROUGH A SEVERED LINE, AND THE CORROSION OF A HYDRAULIC QUANTITY LIMITING VALVE.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=ATL91IA134) · AI Analytics · CC0 1.0*