Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
November 14, 2020
Submitted
November 17, 2020
Operation
Air carrier
Aircraft
N479AS
Make and model
Boeing 737990ER
Aircraft serial
60576
Aircraft time
19,120 hours, 6,098 cycles
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.

What was found

IN CRUISE LEFT FMC FAIL BUT SELF CORRECTED WITHIN ABOUT TWO MINUTES. GROUNDED-YES. PERFORMED B737-900 FIM 22-11-TASK 811. DFCS BITE SHOWS NO FAULTS ALL TEST PASSED.