What was found
LEFT FMC FAILED DURING CRUISE FLIGHT. LEFT FMC RECOVERED BY ITSELF AFTER ABOUT 1 MINUTE WITH NO PILOT INPUT. GROUNDED-YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 836 NO FAULTS DISPLAYED SYSTEM. OPERATIONS CHECK NORMAL.
- Difficulty date
- October 3, 2020
- Submitted
- October 5, 2020
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 17,765 hours, 5,622 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.