Service difficulty report · Actuator · Doug DC1030

Difficulty date
May 6, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N228NW
Make and model
Doug DC1030
Aircraft serial
46578
Part
Actuator
Part number
11272290002
Condition
Failed
Location
Rudder
Part time
75,849 hours
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

DURING CHECK, UPPER YAW DAMPENER FAILED SYSTEM NR 2 TEST ON FLIGHT GUIDANCE MANAGEMENT ASSESSMENT PANEL. TROUBLESHOT FOUND B-CHANNEL YAW RATE GYRO INOP. ALSO, FOUND RESISTANCE OF A AND B ON LVDT IS LOWER THAN NORMAL. REMOVED AND REPLACED RATE GYRO. REMOVED AND REPLACED UPPER FORWARD RUDDER ACTUATOR IAW MM 27-30-00. MAINTENANCE ACCOMPLISHED BY LOCKHEED MARTIN AIRCRAFT CENTER. REFERENCE: OPERATOR CONTROL NR 96ZZZX4187, ZJ4R702M. (X)

More about the Doug DC-10-30