What was found
AFTER LANDING BOTH FMC'S DUMPED, LOST ALL DATA, HAD "VTK" ON BOTH SIDES. GROUNDED - YES. PERFORMED FIM 34-61 TASK 801 FOUND LT FMC WITH PROGRAM FAULT. PERFORMED FIM 34-61 TASK 807, NO FAULTS PRESENT AT THIS TIME.
- Difficulty date
- March 16, 2019
- Submitted
- March 19, 2019
- Operation
- Air carrier
- Aircraft
- N557AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35176
- Aircraft time
- 48,892 hours, 14,365 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Cockpit
- Stage of operation
- LD
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.