Aviation Accident Summary CHI84IA224

CHICAGO, IL, USA

Aircraft #1

N320BA

BEECH 99

Analysis

LANDING GEAR EXTENDED BUT NOT LOCKED. CREW COULD NOT RECTIFY SITUATION BY USING NORMAL AND EMERGENCY GEAR EXTENSION PROCEDURES. GEAR COLLAPSED ON TOUCHDOWN. INVESTIGATION DISCLOSED A FATIGUE CRACK IN RT MAIN GEAR HYDRAULIC ACTUATOR ALLOWING A LOSS OF HYDRAULIC FLUID. MAINTENANCE RECORDS PROVIDED BY THE OPERATOR INDICATE THE ACTUATORS WERE CHECKED FOR LEAKS AND ALIGNMENT 28 HRS PRIOR TO THIS INCIDENT.

 

Source: NTSB Aviation Accident Database

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