AMARILLO, TX, USA
N3380Q
CESSNA 421B
THE ACFT GROUND LOOPED FOLLOWING A COLLAPSE OF THE LEFT MAIN GEAR AFTER A LANDING ROLL OF APRX 600 TO 700 FT. POST ACCIDENT INSPECTION OF THE GEAR REVEALED A BOLT HAD BACKED OUT OF THE GEAR DOWN LOCK ARM WHERE IT LOCKS OVERCENTER.
Source: NTSB Aviation Accident Database
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