What was found
NO FMC DATA FOR APPROX ONE MINUTE ON BOTH CAPT & FO CDU'S - VTK AND MAP FAILURE FLAGS WERE ANNUNCIATED. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 836 FMC'S OPERATE NORMALLY.
- Difficulty date
- February 5, 2019
- Submitted
- February 7, 2019
- Operation
- Air carrier
- Aircraft
- N402AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41189
- Aircraft time
- 24,715 hours, 8,123 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- 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.