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CHI92LA281

1992-09-05 · WHEELING, Illinois, United States · None · 1 aircraft · Status: Completed

Airport PWK

Current FAA registration · N9578B

Make / Model
CESSNA 172RG
Year of manufacture
1981 · 11 years old at event
Engine
LYCOMING O&VO-360 SER (180 hp)
Seats / Engines
4 seats · 1 engine
Last airworthiness date
19810701
ADS-B equipped
Yes — Mode-S AD521A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

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

Factual narrative

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. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1992_CHI92LA281.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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