NTSB Identification: LAX83LA062
14 CFR Part 91: General Aviation
Accident occurred Friday, December 31, 1982 in PRESCOTT, AZ
Probable Cause Approval Date: 12/31/1983
Aircraft: PIPER PA-34-200T, registration: N477BL
Injuries: 2 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.

THE RIGHT MAIN LANDING GEAR COLLAPSED DURING THE LANDING ROLL. ON-SCENE EXAMINATION REVEALED THAT THE RIGHT MAIN GEAR WAS DOWN & LOCKED, BUT A MATERIAL FAILURE IN THE TRUNNION ALLOWED THE GEAR TO ROTATE OUT & CLOCKWISE LEADING TO COLLAPSE. A SIMILARLY LOCATED CRACK HAD BEEN DISCOVERED ON THE LEFT MAIN GEAR ASSEMBLY 67 FLIGHT-HOURS BEFORE THE ACCIDENT. INSPECTION OF THE RIGHT GEAR ASSEMBLY AT THAT TIME REVEALED NO DISCREPANCIES.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,MAIN GEAR..CRACKED

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

LANDING GEAR,MAIN GEAR..FAILURE,TOTAL

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