NTSB Identification: CHI83LA033
14 CFR Part 91: General Aviation
Accident occurred Monday, November 08, 1982 in EVANSVILLE, IN
Probable Cause Approval Date: 11/08/1983
Aircraft: CESSNA 421C, registration: N98442
Injuries: 3 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
DURING 100 HOUR INSPECTION A LEAK WAS FOUND IN THE LEFT MAIN LANDING GEAR ACTUATOR. THE SEALS WERE REPLACED AND THE AIRCRAFT WAS TEST FLOWN. THE GEAR DOWN GREEN LIGHT WOULD NOT COME ON DURING THE TEST BUT THE AIRCRAFT WAS LANDED UNEVENTFULLY AND PUT ON JACKS FOR TESTING OF THE GEAR. ALL OK AFTER ONE LIMIT SWITCH WAS REPLACED. DURING THE NEXT TEST AFTER A LANDING THE LEFT GEAR COLLAPSED. THE LEFT ACTUATOR HAD FAILED.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..FAILURE,TOTAL
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