NTSB Identification: SEA87LA157.
The docket is stored on NTSB microfiche number 34398.
Accident occurred Wednesday, August 05, 1987 in NORTH PLAINS, OR
Probable Cause Approval Date: 10/25/1988
Aircraft: BELLANCA 7GCBC, registration: N222WY
Injuries: 1 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 PLT RPRTD THAT DRG A X-WIND LNDG, THE ACFT TOUCHED DOWN ON THE RGT MAIN GEAR, THEN AFTER ROLLING APRX 50 TO 100 FT, THE LEFT MAIN GEAR TOUCHED DOWN. AS THE LEFT WHEEL TOUCHED DOWN, THE LEFT AXLE FAILED, PITCHING THE ACFT ON ITS NOSE. THE ACFT THEN SKIDDED ON ITS NOSE FOR ANOTHER 75 TO 100 FT. AN EXAM OF THE AXLE REVEALED A FATIGUE CRACK HAD PENETRATED ABOUT 50% OF ITS CROSS SECTION BEFORE FINAL OVERSTRESS SEPARATION. THERE WERE MULTIPLE ORIGINS OF THE CRACK AT THE EDGE OF A CIRCUMFERENTIAL WELD.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:LANDING GEAR,AXLE..FATIGUE
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