# NTSB Incident LAX92IA027
> **MCDONNELL DOUGLAS DC-10-10** · 1991-10-28 · LAS VEGAS, NV, USA · NONE
## Event
- **NTSB number:** LAX92IA027
- **Event ID:** 20001212X18310
- **Type:** Incident
- **Date:** 1991-10-28
- **Location:** LAS VEGAS, NV, USA
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 179
- **Total aboard:** 179
## Aircraft
- **Make:** MCDONNELL DOUGLAS
- **Model:** DC-10-10
- **Registration:** N1820U
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

RUPTURE OF A FORWARD PRESSURE BULKHEAD BECAUSE OF CYCLICALLY INDUCED METAL FATIGUE. FACTORS WHICH CONTRIBUTED TO THE INCIDENT WERE: THE OPERATOR'S DECISION NOT TO STRUCTURALLY MODIFY ITS AIRPLANE IN ACCORDANCE WITH THE MANUFACTURER'S BUT RATHER TO RELY ON THE MANUFACTURER'S ALTERNATIVE RECOMMENDATION OF PERFORMING REPETITIVE VISUAL INSPECTION IN THE SUSPECT AREA: AND THE OPERATOR'S FAILURE TO UTILIZE AN INSPECTION PROGRAM ADEQUATE TO VISUALLY DETECT CRACK DEVELOPMENT IN A PREVIOUSLY IDENTIFIED SUSPECT AREA.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=LAX92IA027) · AI Analytics · CC0 1.0*