Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
January 12, 2019
Submitted
January 15, 2019
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
20,747 hours, 6,797 cycles
Part
Unknown
Condition
Malfunctioned
Location
Fmc
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

VTK DISPLAYED ON CAPTAINS ND FOLLOWED BY MAP FAILURE FLAGS. NO FMC DATA ON BOTH CDU'S. QRH CHECKLIST COMPLETED. FMC BOTH ON RIGHT FOR REMAINDER OF FLIGHT. GROUNDED - YES. LEFT FMC OPS CHECK GOOD. NO HISTORY 30 DAYS. REF AMM 34-61 TASK 801.