Service difficulty report · Computer · Boeing 767322

Difficulty date
February 21, 2012
Submitted
March 1, 2012
Operation
Air carrier
Aircraft
N644UA
Make and model
Boeing 767322
Aircraft serial
25094
Aircraft time
88,589 hours, 14,132 cycles
Engine
Pwa PW4060
Part
Computer
Part number
6224591512
Part serial
502
Condition
Failed
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

CAPTIN FLT DIRECTOR NO ROLL MODE SEL RT FLT DIR ROLL MODE RETURNS NO LAND 3 BOTH POSITIONS. REPLACED LEFT SIDE FLT COMPUTER PER MM. NO LAND 3 ON AUTOLAND STATUS ANNUNCIATOR. REPLACED LEFT FLIGHT CONTROL COMPUTER IAW MM. ACP'D TEST PER MM. GRND CK NORMAL. ACFT RETURNED TO CAT III STATUS.