What was found
BOTH FMC'S BLANKED FOR APPROX 10-15 SECONDS APPROX 10 NW BKA VOR AT FL 350: MENU PAGE BLANK AT L1: VTK FLAG ON CAPT SIDE NAV DISPLAY. GROUNDED - YES. PERFORMED FIM 34-61 TASK 807 FOUND TO BE INTERMITTENT FAULT. NO DEFECTS NOTED.
- Difficulty date
- March 12, 2018
- Submitted
- March 13, 2018
- Operation
- Air carrier
- Aircraft
- N477AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 40716
- Aircraft time
- 10,958 hours, 3,578 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.