ASN Wikibase Occurrence # 217271
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Date: | Tuesday 2 April 1991 |
Time: | 16:00 |
Type: | Cessna 172RG |
Owner/operator: | AV. TRAINING ENTERPRISE OF IL. |
Registration: | N9592B |
MSN: | 172RG0905 |
Year of manufacture: | 1981 |
Total airframe hrs: | 4567 hours |
Fatalities: | Fatalities: 0 / Occupants: 2 |
Aircraft damage: | Minor |
Category: | Accident |
Location: | West Chicago, IL -
United States of America
|
Phase: | Landing |
Nature: | Training |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:AFTER REPEATED ATTEMPTS TO LOWER THE LANDING GEAR, ONLY THE LEFT MAIN AND NOSE GEAR WOULD EXTEND. THE PILOTS ELECTED TO MAKE A WHEELS-UP LANDING. DURING THE LANDING, THE LOWER FUSELAGE AND PROPELLER TIPS RECEIVED MINOR DAMAGE. AN INVESTIGATION REVEALED THE RIGHT MAIN LANDING GEAR PIVOT ASSEMBLY (PN 2441100-1) HAD FAILED. A METALLURGICAL EXAMINATION DISCLOSED THE SPLINED SHAFT ON THE PIVOT ASSEMBLY HAD FRACTURED IN TORSIONAL OVERLOAD. AS A RESULT, MECHANICAL EXTENSION OF THE RIGHT MAIN LANDING GEAR WAS NOT POSSIBLE.
Probable Cause: FAILURE OF THE SPLINED SHAFT ON THE RIGHT MAIN LANDING GEAR PIVOT ASSEMBLY. A FACTOR RELATED TO THE INCIDENT WAS INADEQUATE DESIGN OF THE LANDING GEAR PIVOT ASSEMBLY.
Accident investigation:
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| |
Investigating agency: | NTSB |
Report number: | |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
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Sources:
NTSB:
https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X16751&key=1 Revision history:
Date/time | Contributor | Updates |
04-Nov-2018 12:47 |
ASN Update Bot |
Added |
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