Service difficulty report · Computer · Boeing 757222

Difficulty date
February 10, 2012
Submitted
February 14, 2012
Operation
Air carrier
Aircraft
N598UA
Make and model
Boeing 757222
Aircraft serial
28751
Aircraft time
51,352 hours, 14,386 cycles
Engine
Pwa PW2037
Part
Computer
Part number
6224591512
Part serial
2
Condition
Faulty
Location
Autopilot Sys
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NO LAND III DISPLAYED ON EICAS. AUTOPILOT BITE SHOWS NO INTERFACE FCC RIGHT TO RUDDER RATIO SERVO AUTOPILOT DOWNGRADED TO CATII SECOND DEFERAL CREATED FOR RIGHT FLIGHT DIRECTOR INOP. REPLACED R FCC PER MM AND ACCOMPLISHED A-P FLIGHT CONTROL TEST PER MM, ALL PASSED. RETURNED SYSTEM TO CAT III. SECOND DEFFERAL AGAINST RFD WAS NOT CREATED.