Service difficulty report · Bearing Cage · Dhav DHC2MKI

Difficulty date
September 27, 2010
Submitted
January 4, 2011
Operation
General aviation
Make and model
Dhav DHC2MKI
Aircraft time
19,823 hours
Engine
Pwa R985AN14B
Propeller
Hamstd 2D30
Part
Bearing Cage
Part number
21401200
Condition
Damaged
Location
Main Wheel
Component
Main Wheel · 40418
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

MAIN WHEEL BEARING IS OF A NEW SLIMMER DESIGN. PRONE TO PREMATURE FAILURE. UPON INSP, WHEEL BEARING FOUND WITH A SEVERLY DAMAGED CAGE AND RACE, SOME ROLLERS BADLY DAMAGED. THIS IS THE SECOND BEARING OF THIS NEW DESIGN THAT HAS FAILED LIKE THIS.