What was found
JUST PRIOR TO TOP OF DESCENT LEFT FMC FAIL (VTK). LEFT IRS POSITION SHOWED 4.6 NM AT TIME OF FAILURE. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 837, NO OTHER FAULTS NOTED.
- Difficulty date
- June 21, 2019
- Submitted
- June 24, 2019
- Operation
- Air carrier
- Aircraft
- N506AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35690
- Aircraft time
- 41,523 hours, 12,702 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Failed
- Location
- Left
- 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.