Service difficulty report · Drive Link · Bell 412EP

Difficulty date
February 28, 2011
Submitted
February 28, 2011
Operation
General aviation
Filed by
R29R029O
Vertex Aerospace LLC
Make and model
Bell 412EP
Part
Drive Link
Part number
412010405111
Part serial
A4547
Condition
Misrepaired
Location
Main Rotor
Part time
340 hours, 671 cycles
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

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

What was found

BEARING IMPROPERLY STAKED IN DRIVE LINK ASSEMBLY. MAXIMUM GAP BETWEEN BEARING RACE AND LINK LUG IS .005". GAP MEASURED .015" WHEN RECIEVED FROM ABLE ENGINEERING & COMPONENT SERVICES IN PHEONIX, AZ. THIS IS THE SECOND DRIVE LINK FROM ABLE THAT HAS BEEN IMPROPERLY STAKED.

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