Service difficulty report · Computer · Boeing 767322

Difficulty date
September 29, 2011
Submitted
October 25, 2011
Operation
Air carrier
Aircraft
N677UA
Make and model
Boeing 767322
Aircraft serial
30029
Aircraft time
36,989 hours, 9,232 cycles
Engine
Pwa PW4056
Part
Computer
Part number
6224591512
Part serial
136649
Condition
Failed
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LEFT YAW DAMPER INOPERATIVE. COMPLIED WITH MEL CARD AND LEAK CHECKED. FOUND LEFT FCC COMPUTER FAILURE THE CAUSE. REPLACED LEFT FCC PER AMM. OPS CHECKED MCDP GROUND TEST MODE 01 FCC LEFT NORMAL, AND TEST OF YAW DAMPER SYSTEM PER AMM TESTED NORMAL.