Service difficulty report · Bearing · Robsin R44RAVENII

Difficulty date
September 18, 2008
Submitted
November 3, 2008
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
1,294 hours
Engine
Lyc IO540AE1A5
Part
Bearing
Condition
Excess Play
Location
Magneto
Component
Magneto · BL6006163
Stage of operation
IN
How discovered
O
Nature of condition
W
Precautionary procedure
O

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

What was found

(CAN) MAG WAS RECEIVED FOR 500 HR INSP. BEFORE MAG WAS DISASSEMBLED THE BEARINGS WERE CHECKED BY SPINNING THE ROTATING MAGNET. THE END PLAY WAS MEASURED AT 0.004", MFG LIMIT IS 0.0015" MAX. THE BEARINGS WERE RESHIMMED, THE REST OF THE 500 HR INSP WAS CARRIED OUT AND THE MAG WAS RETURNED TO SERVICE.