What was found
LEFT FMC FAILED MID-FLIGHT (CRUISE). SELF - CORRECTED. OPS NORMAL THEREAFTER. GROUNDED - YES. ACCOMPLISHED FIM 34-61 TASK 837. FMC TO CDU-L AND FMC TO CDU-R INTERMITTENT FAULTS. OPS CHECK GOOD. GROUND VERIFICATION GOOD.
- Difficulty date
- June 19, 2020
- Submitted
- June 22, 2020
- Operation
- Air carrier
- Aircraft
- N428AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36353
- Aircraft time
- 16,914 hours, 5,353 cycles
- System (JASC)
- 3460 · Flight Management Computing Hardware System
- Part
- Fmc
- Condition
- Malfunctioned
- Location
- Left
- Stage of operation
- CL
- 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.