SDR 9809639911

Service difficulty report · Shutoff Valve · Doug DC931

Difficulty date
June 22, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N961N
Make and model
Doug DC931
Aircraft serial
47405
Part
Shutoff Valve
Part number
37723745503
Condition
Malfunctioned
Location
Rudder
Part time
7,733 hours
Stage of operation
CL
Nature of condition
F
Precautionary procedure
A

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

What was found

AFTER TAKEOFF, RUDDER WAS ABNORMALLY SENSITIVE TO SMALL AMOUNTS OF INPUT WITH DIFFICULTY TRACKING CENTERLINE. FLIGHT WAS RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RUDDER POWER SHUTOFF VALVE, OPERATIONAL CHECK NORMAL.

More about the Doug DC-9-31