Service difficulty report · Bearing · Swrngn SA226TC

Difficulty date
October 17, 1997
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Swrngn SA226TC
Engine
Garrtt TPE33110UA
Part
Bearing
Part number
LM29710
Condition
Failed
Location
Rh Nose
Part time
415 hours
Component
311418
Stage of operation
TX
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) GROUND PERSONNEL NOTICED THAT THE RIGHT NOSE WHEEL WAS NOT TURNING. NOSE WHEEL WAS SEVERELY FLAT SPOTTED. INNER BEARING WAS FOUND SEIZED ONTO THE AXLE. WHEEL HAD BEEN INSTALLED JUNE 97 AND LUBRICATED AS PART OF PHASE INSPECTION IN SEPTEMBER 97. SUBMITTER BELIEVES FAILURE DUE TO INADEQUATE LUBRICATION. NIL PREVIOUS FAILURES NOTED BY SBUMITTER. PRESSURE WASHING OF WHEELS MAY LEAD TO LOSS OF GREASE AND TO WATER CONTAMINATION. THIS PRACTICE BEING REVIEWED BY SUBMITTER. SEALS ASSOCATED WITH WHEEL ASSEMBLIES ONLY PROVIDE LIMITED PROTECTION.