Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
February 6, 2016
Submitted
February 8, 2016
Operation
Air carrier
Aircraft
N471AS
Make and model
Boeing 737990ER
Aircraft serial
41703
Aircraft time
5,271 hours, 1,743 cycles
Part
Fmc
Condition
Failed
Location
Left
Stage of operation
NR
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

LEFT FMC FAILED TWICE. HAD VTK AND IRS NAVIGATION DATA ON CAPTAINS ND, ND FMC DATA ON BOTH CDU'S. FOLLOWED QRH 11.3 AND RECOVERED BOTH FMC'S. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 836. OPS NORMAL AT THIS TIME. PERFORMED AMM 34-61-00-710-801. OPS NORMAL.