Service difficulty report · Servo · Robsin R44RAVENII

Difficulty date
March 10, 2006
Submitted
June 6, 2006
Operation
General aviation
Make and model
Robsin R44RAVENII
Aircraft time
892 hours
Engine
Lyc IO540AE1A5
Part
Servo
Part number
D2121
Part serial
0151
Condition
Leaking
Location
Main Rotor
Stage of operation
IN
How discovered
O
Nature of condition
K
Precautionary procedure
K

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

What was found

SERVO FOUND LEAKING FROM TOP AND BOTTOM OF CYLINDER BARREL. SERVO REMOVED AND REPLACED WITH A SERVICEABLE UNIT. THE ATTACHED PHOTOS SHOW THE SERVO AREAS THAT HAVE BEEN LEAKING. THE BULK OF THE OIL HAS BEEN CLEANED OFF THE SERVO, BUT IT CAN STILL BE SEEN WHERE THE LEAKS WERE COMING FROM.