Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
September 21, 2019
Submitted
September 23, 2019
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
21,712 hours, 7,019 cycles
Part
Fmc
Condition
Malfunctioned
Location
Cockpit
Stage of operation
LD
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 FLAGS APPEARED ON BOTH L AND R DISPLAYS AFTER LANDING FOR APPROX 10-15 SECONDS THEN DISAPPEARED. GROUNDED - YES. RESET BOTH FMCS PER FIM 34-61 TASK 807 FLAGS NO LONGER PRESENT.