Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
November 7, 2016
Submitted
November 9, 2016
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
10,967 hours, 3,602 cycles
Part
Fmc
Condition
Malfunctioned
Stage of operation
CL
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

FL 270 CLIMBING, DUAL FMC FAIL. FOLLOWED QRH. GOT CAPTAIN'S BACK. BOTH FAILED AGAIN ON LANDING. ACFT GROUNDED. RESET BOTH FMC'S IAW FIM 34-61 TASK 836. FMC'S RESTORED TO NORMAL. SUCCESSFUL GROUND VERIFICATION NORMAL.