Service difficulty report · Shim · Bell 206B

Difficulty date
June 17, 1996
Submitted
March 26, 2000
Operation
Air carrier
Make and model
Bell 206B
Engine
Allsn 250C20
Part
Shim
Part number
DP361
Condition
Uniball Bind
Location
Swashplate
Part time
11,260 hours
Component
Bell · 206010450113
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

(CAN) ON INSTALLATION AFTER REPAIR BY OVERHAUL FACILITY, SWASHPLATE TILT FRICTION CHECKED AND FOUND WITHIN LIMITS AFTER GROUND RUN, PILOT REPORTED CYCLIC HARD TO MOVE WITH HYDRAULICS ON, ALMOST IMPOSSIBLE TO MOVE WITH HYDRAULICS OFF. SWASHPLATE HAD BEEN SHIMMED INCORRECTLY WITH AN UNEVEN AMOUNT OF SHIMS ON EACH SIDE CAUSING THE UNIBALL TO BIND. SHIMMING WAS CORRECTED AND RETURNED TO SERVICE.

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