Service difficulty report · Pcu · Boeing 737322

Difficulty date
August 16, 2002
Submitted
August 28, 2002
Operation
Air carrier
Aircraft
N307UA
Make and model
Boeing 737322
Aircraft serial
23668
Aircraft time
46,916 hours, 27,008 cycles
Engine
Ge CFM56*
Part
Pcu
Part number
654486112
Part serial
1761A
Condition
Failed
Location
Rudder
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

WHILE ON FINAL APPROACH, AIRCRAFT EXPERIENCED AN UNCOMMANDED RUDDER DEFLECTION. REPLACED RUDDER PCU AND STANDBY RUDDER PCU DUE TO FAILURE TO RETURN TO NEUTRAL CONSISTENTLY.