What was found
FMC PROMPT INTERMITTENTLY DISAPPEARS W/ VTK FLAGS ON BOTH ND'S. FMC PROMPT RETURNS TO BOTH FMC'S BUT DUMPS THE ROUTE. GROUNDED - YES. PERFORMED RESET OF FMC PER FIM 34-61 TASK 801. OPS CHECK GOOD AT THIS TIME.
- Difficulty date
- September 6, 2018
- Submitted
- September 7, 2018
- Operation
- Air carrier
- Aircraft
- N589AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35686
- Aircraft time
- 41,222 hours, 12,457 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
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.