Service difficulty report · Damper · Boeing 727233

Difficulty date
February 9, 2013
Submitted
February 18, 2013
Operation
Air carrier
Aircraft
N221FE
Make and model
Boeing 727233
Aircraft serial
20932
Aircraft time
58,849 hours, 37,555 cycles
Part
Damper
Condition
Malfunctioned
Location
Rudder
Stage of operation
CR
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

UNCOMMANDED RUDDER INPUTS WITH OR WITHOUT AUTOPILOT ENGAGED. PERFORMED YAW DAMPER ADJUSTMENT TEST STEP 1 THRU 10 IAW AMM 22-11-005-5 AND UPPER YAW DAMPER TEST DID NOT PASSED, R & R UPPER YAW DAMPER IAW AMM 22-11-131-4, TESTED IAW AMM 22-11-005-5 AND TEST PASSED. ACFT OK FOR SERVICE.