Service difficulty report · Computer · Boeing 777223

Difficulty date
December 6, 2019
Submitted
December 9, 2019
Operation
Air carrier
Aircraft
N755AN
Make and model
Boeing 777223
Aircraft serial
30263
Aircraft time
74,650 hours, 9,363 cycles
Part
Computer
Part number
COM5124
Part serial
1124
Condition
Faulty
Location
Adfc
Stage of operation
CR
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

AIRCRAFT NOT GROUNDED: ADFC L STATUS MESSAGE DISPLAYED DURING CRUISE AND AUTOPILOT DISCONNECTED. REMOVED AND REPLACED LF AFDC. VERIFIED CURRENT SOFTWARE INSTALLED IAW IPC 22-11-01-01. ACCOMPLISHED AFDC INSTALLATION AND SYSTEMS TESTS IAW AMM 22-11-01 & 22-11-00.