Incident · 1989-05-03

NTSB case CHI89IA084 · FOKKER F-27 MK500 · Part 121

What the record says

Event date: 1989-05-03
Event type: Incident
Highest injury level: No injuries
Aircraft: FOKKER F-27 MK500 (N511AW)
Operating rule: Part 121
Operator: AIR WISCONSIN AIRLINES LLC Operator named in NTSB report
Operated by (per NTSB report): AIR WISCONSIN

Probable cause

MATERIAL FAILURE OF THE LANDING GEAR RETRACTION AND EXTENSION ASSEMBLY. INADEQUATE MAINTENANCE AND TROUBLESHOOTING PROCEDURES IN COMPANY DIRECTIVES WERE FACTORS IN THIS INCIDENT.

Source: NTSB case CHI89IA084

Flight crew

Flight-crew details for this event aren't in the NTSB database extract we hold (its coverage starts with 2008 events) — a gap in our data, not an absence of crew.

Facts as the NTSB records them — GroundCheck adds no judgement. Preliminary records may be revised as the investigation proceeds.

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