# NTSB Incident CHI91IA041
> **BOEING 727-257** · 1990-12-05 · DETROIT, MI, USA · NONE
## Event
- **NTSB number:** CHI91IA041
- **Event ID:** 20001212X24734
- **Type:** Incident
- **Date:** 1990-12-05
- **Location:** DETROIT, MI, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 76
- **Total aboard:** 76
## Aircraft
- **Make:** BOEING
- **Model:** 727-257
- **Registration:** N715RC
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAWN
- **Weather:** VMC
## Probable cause

THE INADEQUATE DEICING PROCEDURES INSTITUTED BY COMPANY MANAGEMENT.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=CHI91IA041) · AI Analytics · CC0 1.0*