Service difficulty report · Bearing · Bell 407

Difficulty date
August 28, 2002
Submitted
September 19, 2002
Operation
General aviation
Aircraft
N407PR
Make and model
Bell 407
Aircraft serial
53232
Engine
Allsn 250C47B
Part
Bearing
Part number
407310102101
Condition
Separated
Location
M/R Hub
Part time
3,247 hours
Component
Hub · Bell
Component part number
407010100115
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

ELASTOMERIC PORTION OF BEARING COMPLETELY DEBONDED FROM BASE. FOUND AT ROUTINE INSPECTION. THIS BEARING IS ONE OF A BATCH OF DEFECTIVE BEARINGS MANUFACTURED BEFORE 1998. RECOMMEND THAT BEARING BE BONDED WITH BETTER MATERIAL OR ADHESIVE.

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