# NTSB Accident MIA94LA003
> **DOUGLAS DC-3C** · 1993-10-07 · SAN JUAN, PR · NONE
## Event
- **NTSB number:** MIA94LA003
- **Event ID:** 20001211X13613
- **Type:** Accident
- **Date:** 1993-10-07
- **Location:** SAN JUAN, PR
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 2
- **Total aboard:** 2
## Aircraft
- **Make:** DOUGLAS
- **Model:** DC-3C
- **Registration:** N781T
- **FAR Part:** 135
- **Engines:** 2
- **Damage:** SUBS
## Conditions
- **Light:** DUSK
- **Weather:** VMC
## Probable cause

PARTIAL FAILURE OF A WING RIB DUE TO EXFOLIATION CORROSION AND INADEQUATE INSPECTION OF THE AIRCRAFT BY COMPANY MAINTENANCE PERSONNEL.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA94LA003) · AI Analytics · CC0 1.0*