Service difficulty report · Scissor Link · Snias AS350B2

Difficulty date
July 18, 2014
Submitted
July 21, 2014
Operation
General aviation
Aircraft
N6095U
Make and model
Snias AS350B2
Aircraft serial
2699
Aircraft time
11,944 hours, 18,753 cycles
Part
Scissor Link
Part number
350A37112602
Part serial
SD1608
Condition
Damaged
Location
Main Rotor Shaft
Part time
92 hours, 142 cycles
Component
Rotor Shaft · Airbus · AS350B2
Component part number
350A129004
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

WE HAVE FOUND A SCISSOR LINK, H-BLOCK, DURING ALF INSPECTION TO HAVE DISBONDED BUSHINGS. THIS IS A LOW HOUR SCISSOR LINK, AND THERE MAY BE A ISSUE WITH THE REPAIRS BEING PERFORMED ON THESE LINKS. POSSIBLE CAUSE IS THE BUSHING SPECIFICATIONS DO NOT MEET THE STANDARD OF THE ACTUAL LINK IT IS BEING PRESSED INTO AS FAR AS IT DIMENSIONS. OR THE ADHESIVE OR BONDING AGENT DOES NOT MEET THE STANDARD OF ADHERING THE BUSHING TO THE BLOCK. THE LAST O/H ON THIS BLOCK WAS PERFORMED. THE O/H WAS IAW. R & R 4 BUSHINGS.