Service difficulty report · Warning Message · Boeing 737890

Difficulty date
May 2, 2021
Submitted
May 3, 2021
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
50,415 hours, 15,138 cycles
Part
Warning Message
Condition
False Activation
Location
Autopilot
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

WHEN POWER APPLIED TO ACFT, A MODE CONTROL PANEL LOCKED UP INDICATION DISPLAYED. GROUNDED - YES. PERFORMED MODE CONTROL PANEL TEST IAW FIM 22-11 TASK 803 MCP AUTOTEST PASS, ALL INTERACTIVE TESTS PASSED . NO FURTHER DEFECTS NOTED.