# NTSB Incident MIA92IA081
> **BOEING 727-214A** · 1992-02-09 · SAN JUAN, PR · NONE
## Event
- **NTSB number:** MIA92IA081
- **Event ID:** 20001211X14150
- **Type:** Incident
- **Date:** 1992-02-09
- **Location:** SAN JUAN, PR
## Injuries
- **Highest injury:** NONE
- **Fatal:** 0
- **Serious:** 0
- **Minor:** 0
- **Uninjured:** 157
- **Total aboard:** 157
## Aircraft
- **Make:** BOEING
- **Model:** 727-214A
- **Registration:** N752US
- **FAR Part:** 121
- **Engines:** 3
- **Damage:** MINR
## Conditions
- **Light:** DAYL
- **Weather:** VMC
## Probable cause

THE FLIGHT ENGINEER'S LACK OF TRAINING IN EMERGENCY PROCEDURES AND HIS FAILURE TO FOLLOW PUBLISHED EMERGENCY PROCEDURES, RESULTING IN HIS NOT BEING ABLE TO MANUALLY EXTEND THE RIGHT MAIN LANDING GEAR, FOLLOWING THE LOSS OF THE 'A' HYDRAULIC SYSTEM. CONTRIBUTING TO THE INCIDENT WAS THE CAPTAINS FAILURE TO EXHAUST ALL AVAILABLE RESOURCES AND TIME IN ATTEMPTS TO EXTEND THE RIGHT MAIN LANDING GEAR PRIOR TO LANDING WITH THE GEAR RETRACTED.

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*Source: [NTSB CAROL](https://data.ntsb.gov/carol-main-public/basic-search?source=ntsb&type=event&ntsb_number=MIA92IA081) · AI Analytics · CC0 1.0*