Aviation Accident Summary CHI92LA281

WHEELING, IL, USA

Aircraft #1

N9578B

CESSNA 172RG

Analysis

THE PILOT WAS MAKING PATTERN APPROACH FOR LANDING. HE STATED THAT HE VISUALLY CONFIRMED THE LANDING GEAR WAS DOWN. DURING LANDING ROLLOUT BOTH MAIN LANDING GEAR COLLAPSED. THE INVESTIGATION REVEALED THAT A SEAL ON THE LANDING GEAR HYDRAULIC PUMP HAD RUPTURED RESULTING IN LOSS OF SYSTEM FLUID.

Probable Cause and Findings

MAIN LANDING GEAR COLLAPSE AS A RESULT OF THE FAILURE OF A LANDING GEAR HYDRAULIC PUMP SEAL.

 

Source: NTSB Aviation Accident Database

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