What was found
LEFT MAP DISPLAY SHOWED VTK, LEFT CDU WENT TO MENU PAGE. AFTER 10 SECONDS (APPROX) VTK FLAG WENT AWAY, RE-ENGAGED LNAV VNAV. NO PROBLEMS AFTER. OCCURED JUST PRIOR TO DESCENT. ACFT GROUNDED. NO CURRENT FAULTS, IAW AMM 34-61-00.
- Difficulty date
- January 27, 2017
- Submitted
- January 30, 2017
- Operation
- Air carrier
- Aircraft
- N462AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 10,985 hours, 3,575 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Warning Flag
- Condition
- False Activation
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.