Service difficulty report · Shaft · Diamon DA42

Difficulty date
December 29, 2008
Submitted
March 5, 2009
Operation
General aviation
Make and model
Diamon DA42
Part
Shaft
Part number
D6032338231
Condition
Damaged
Location
Nlg Pivot Assy
Stage of operation
TX
How discovered
9
Nature of condition
O
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE NLG PIVOT ASSEMBLY FAILED BY SHEARING OF THE LT GUDGEON WITHIN THE TUBULAR PIVOT SHAFT. THIS FAILURE WAS NOTED UPON INSPECTION DUE TO A NLG INDICATION LIGHT NOT BEING ILLUMINATED DURING TAXI OUT. UPON RETURNING TO HANGAR THE FAILURE WAS NOTED. ALSO DISCOVERED WAS COMPOSITE DAMAGE ON THE LT WALL OF THE WHEEL WELL INFLICTED BY THE NLG COMPONENT DISLOCATION.

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