Aviation Accident Summary BFO90IA039

DAVIS, WV, USA

Aircraft #1

N4802V

BELLANCA 17-30

Analysis

SHORTLY AFTER CLIMBING TO 6500 FEET THE PILOT STATED THAT THE ENGINE MADE A LOUD SOUND, STARTED TO SHAKE, AND LOST POWER. THE PILOT MADE A FORCED LANDING DURING WHICH THE NOSE GEAR COLLAPSED AND THE PROPELLER WAS DAMAGED. EXAMINATION OF THE ENGINE REVEALED THAT THE CONNECTING ROD IN THE NUMBER ONE CYLINDER HAD FAILED. THE ANTI-REVERSING TABS WERE FOUND BENT FLUSH WITH THE CONNECTING ROD ASSEMBLY.

Probable Cause and Findings

THE IMPROPER INSTALLATION OF THE CONNECTING ROD BEARINGS ON THE NUMBER ONE CYLINDER.

 

Source: NTSB Aviation Accident Database

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