What was found
LT FMC FAILED, VTK AND MAP DISPLAYED ON CAPT SIDE WITH LOSS OF NAV DATA. GROUNDED-YES. LT FMC LOGGED "B" FAULT LAST LEG, SYSTEM OPERATIONS OK.
- Difficulty date
- October 7, 2020
- Submitted
- October 9, 2020
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 25,053 hours, 7,991 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Left
- Stage of operation
- NR
- 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.