Service difficulty report · Warning Message · Boeing 767322

Difficulty date
April 4, 2024
Submitted
April 4, 2024
Operation
Air carrier
Aircraft
N657UA
Make and model
Boeing 767322
Aircraft serial
27112
Aircraft time
120,817 hours, 18,618 cycles
Part
Warning Message
Condition
False Indication
Location
Rudder Ratio
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
B

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

What was found

RUDDER RATIO EICAS AFTER TAKEOFF BRIEFED CREW ; NO OVERWEIGHT LANDING,PILOT STATED PLANE FLEW FINE ,JUST EICAS MSG AFTER TAKEOFF PERFORMED FIM TASK RUDDER RATION EICAS MSG 27-21 FAULT TREE PERFORMED YAW DAMPER SYSTEM BITE AS PER FIM 22-21 FAULT TREE 803 804.RUDDER RATIO CONTROL MODULE BITE TEST PER FIM TASK 27-09 AT THIS TIME NO FAULTS WERE OBSERVED AND NO INDICATIONS ON FAULT TREE 814.SAM BITE PROCEDURE 27-09 FAULT TREE 811 AND OVERHEAD PANEL OR EICAS WERE SEEN. SPOILER CONTROL MOD.BITE TEST PER FIM 27-09 FAULT TREE 807.ALSO