Service difficulty report · Actuator · Boeing 747481

Difficulty date
October 9, 2016
Submitted
October 12, 2016
Operation
Air carrier
Aircraft
N429MC
Make and model
Boeing 747481
Aircraft serial
24833
Aircraft time
94,320 hours, 13,412 cycles
Part
Actuator
Part number
6013K000101
Part serial
99113289
Condition
Malfunctioned
Location
Rudder
Stage of operation
CR
How discovered
9
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

RUDDER RATIO MESSAGE. R & R UPPER RUDDER RATIO CHANGER (ACTUATOR) IAW AMM 27-21-12. PERF BITE TEST, ALL PASSED SATISFACTORY, OPS & INDICATIONS OF RUDDER SYSTEM SATISFACTORY.