Service difficulty report · Control Panel · Boeing 737890

Difficulty date
November 30, 2016
Submitted
December 5, 2016
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
37,208 hours, 11,125 cycles
Part
Control Panel
Part number
4082260939
Part serial
02263940
Condition
Failed
Location
Autopilot
Part time
54,379 hours, 21,754 cycles
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

NR 1 AUTOPILOT DROPPED OFF & REENGAGED IT. ACFT GROUNDED. REMOVED AND REPLACED THE DFCS MODE CONTROL PANEL IAW AMM 22-11-000-801 AND 22-11-34-400-801. MODE CONTROL PANEL INSTALLATION TEST PASSED IAW AMM 22-11-34-740-801.