Accident Cessna 170 N6303D, Saturday 13 January 1990

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Date:	Saturday 13 January 1990
Time:	11:00 LT
Type:	Cessna 170
Owner/operator:	Private
Registration:	N6303D
MSN:	18015
Year of manufacture:	1948
Total airframe hrs:	2741 hours
Engine model:	Continental C-145-2
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Crockett, TX - United States of America
Phase:	Landing
Nature:	Private
Departure airport:	Palestine, TX (KPSN)
Destination airport:	(NONE)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
ON TOUCHDOWN, THE RIGHT MAIN LANDING GEAR AXLE BROKE AND THE WHEEL SEPARATED. SUBSEQUENTLY, THE AIRPLANE VEERED RIGHT, WHEN THE STRUT STUB DUG INTO THE GROUND. POST-ACCIDENT EXAMINATION OF THE FRACTURE SURFACES OF THE FAILED AXLE REVEALED EVIDENCE OF A PRE-EXISTING CRACK ALONG THE BOTTOM 1/3 OF THE AXLE CIRCUMFERENCE. THE REMAINDER OF THE FRACTURE APPEARED TO BE FRESH.

Probable Cause: THE FAILURE OF THE MAIN LANDING GEAR AXLE DUE TO FATIGUE WHICH LED TO A LOSS OF CONTROL AFTER TOUCHDOWN.

Accident investigation: