Service difficulty report · Computer · Boeing 767322

Difficulty date
January 28, 2011
Submitted
February 3, 2011
Operation
Air carrier
Aircraft
N642UA
Make and model
Boeing 767322
Aircraft serial
25092
Aircraft time
85,307 hours, 13,648 cycles
Engine
Pwa PW4060
Part
Computer
Part number
6224591512
Part serial
168
Condition
Malfunctioned
Location
Autopilot
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

CAPT FLT DIRECTOR DISAPPEARED WHEN CTR AUTOPILOT WAS DISCONNECTED AND NO AUTOLAND 3 APPEARED. REPLACED LT FCC REF MM, ALL CHECKS OK. PERFORMED CATIII CHECK IAW MM AND ALL OPS NORMAL. ACFT RECERTIFIED TO CATIII STATUS.