SDR 98ZZZX2668

Service difficulty report · Bearing Housing

Difficulty date
June 30, 1998
Submitted
March 26, 2000
Operation
General aviation
Part
Bearing Housing
Condition
Defective
Location
Turbo
Component
Rotomaster · 600368
Stage of operation
IN
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

ALUMINUM BEARING HOUSING WITH OBVIOUS SIGNS OF FLAMESPRAY REPAIR. GASKET SURFACE AND ALIGNMENT RING ARE SEPARATING FROM THE BASE METAL. SOME LARGE PIECES ARE ALREADY MISSING. BRASS IS VISIBLE ALL OVER. THIS PART IS UNREPAIRABLE AND WILL BE REJECTED FROM SERVICE. IT IS SUBMITTER'S OPINION THAT BECAUSE THE FLAMESPRAY IS AN UNRELIABLE REPAIR ON THESE PARTS, THE PROCESS SHOULD BE STOPPED. NOTE: ALUMINUM AND BRASS ARE NOT COMPATIBLE METALS.