Service difficulty report · Mechanism · Bell 206B

Difficulty date
October 22, 2007
Submitted
January 21, 2008
Operation
General aviation
Make and model
Bell 206B
Aircraft time
14,533 hours
Engine
Allsn 250C20
Part
Mechanism
Part number
206010743013
Condition
Worn
Location
Pitch Change
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

(CAN) DURING THE TAIL ROTOR PITCH CHANGE MECHANISM PORTION OF THE 100 HOUR INSP, THE PITCH CONTROL TUBE BUSHING AND/OR BEARING WERE FOUND WORN BEYOND LIMITS ON THE CONTROL TUBE ASSY. AN EXHAUSTIVE CHECK OF PAPER WORK WAS CARRIED OUT FOR THE TSN AND TSO, THESE COULD NOT BE CONFIRMED. THE PITCH CHANGE MECHANISM HAS PASSED INSPECTION ON THE LAST (2) 600 HOUR INSPECTIONS. (TC NR 20071023008)

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