Service difficulty report · Bearing Race · Snias AS350B2

Difficulty date
November 14, 2008
Submitted
December 18, 2008
Operation
General aviation
Make and model
Snias AS350B2
Aircraft time
13,993 hours
Engine
Tmeca ARRIEL1D1
Part
Bearing Race
Part number
ASNA013735E2
Condition
Cracked
Location
Inner R Ace
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) A 12 YEAR INSP WAS BEING CARRIED OUT ON THE HELICOPTER. 2 CRACKS WERE FOUND ON THE INNER RACE OF A BALL BEARING ASSY. THE CRACKS ORIGNALLY STARTED FROM THE RIVET HOLES. THE BEARING ASSY/SUPPORT ATTACH THE INNER RACE OF BEARING BY 4 RIVETS TO THE PILOT`S CYCLIC FOR AND AFT TORQUE TUBE LOCATED UNDER THE CABIN FLOOR. THIS IS THE SECOND 12 YEAR INSPECTION FOR THIS HELICOPTER.