Service difficulty report · Bushing · Bolkms BK117B2

Difficulty date
May 18, 2010
Submitted
May 25, 2010
Operation
Air carrier
Aircraft
N296GL
Make and model
Bolkms BK117B2
Aircraft serial
7222
Aircraft time
9,150 hours
Engine
Lyc LTS101*
Part
Bushing
Part number
1051324102
Condition
Worn
Location
Drive Link
Part time
16 hours
Component
Drive Link
Component part number
10513241
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

BUSHING PN 105-13241.02 FOUND TO BE PRESSED FROM THE OUTSIDE TOWARD THE INSIDE INTO FORK LINK ASSY PN 105-13241, SN 3181, INSTEAD OF FROM THE INSIDE TOWARD THE OUTSIDE AS SHOWN IN IPC. A CORRECT ASSEMBLY WOULD CAUSE THE BALL BEARING PN MS27649-5 OF THE DRIVE LINK ASSY TO CONTACT THE BUSHING PN 105-13241.02 OF THE FORK LINK ASSY, BUT THE MIS-ASSY CAUSED THE CASTINGS OF THE FORK LINK ASSY AND THE DRIVE LINK ASSY TO CONTACT EACH OTHER WHEREBY CAUSING EXCESSIVE WEAR TO THE LINK CASTINGS.