Service difficulty report · Warning System · Boeing 737990ER

Difficulty date
January 21, 2019
Submitted
January 24, 2019
Operation
Air carrier
Aircraft
N431AS
Make and model
Boeing 737990ER
Aircraft serial
43255
Aircraft time
20,920 hours, 6,889 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

VTK ILLUMINATED ON FO'S NAV DISPLAY. GROUNDED - YES. REF FIM 34-61 TASK 801 PERFORMED FMC BITE TEST NO CURRENT FAULTS NO HISTORY 30 DAYS.