Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
April 5, 2019
Submitted
April 8, 2019
Operation
Air carrier
Aircraft
N492AS
Make and model
Boeing 737990ER
Aircraft serial
44110
Aircraft time
13,523 hours, 4,490 cycles
Part
Fmc
Condition
Malfunctioned
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON LET DOWN, AFTER ETOPS BOTH FMC'S FAILED. RESTORED ITSELF AFTER A COUPLE OF MINUTES. OPS NORMAL BY TIME WE LANDED. GROUNDED - YES. ACCOMPLISHED B737-900 FIM 34-61 TASK 836. GROUND VERIFICATION CHECK SUCCESSFUL. DEFECT CLEARED.