Service difficulty report · Servo · Bell 206B

Difficulty date
December 8, 1999
Submitted
April 19, 2000
Operation
Air carrier
Make and model
Bell 206B
Aircraft time
16,148 hours
Engine
Allsn 250C20
Part
Servo
Part number
41103750
Condition
Failed
Location
Pilot Valve
Component
Rotorcraft Servo
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) EXCESSIVE VERTICAL PLAY AT PILOT INPUT TRUNNION AND PILOT VALVE AREA OF THE SERVO. FEEDBACK IS EXCESSIVE, ALSO CHATTERING AN VIBRATING AND NOISY DURING GROUND RUN AND TEST FLIGHTS.

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