Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
February 7, 2016
Submitted
February 9, 2016
Operation
Air carrier
Aircraft
N477AS
Make and model
Boeing 737990ER
Aircraft serial
40716
Aircraft time
2,602 hours, 847 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. COMPLIED WITH QRH. ACFT GROUNDED. ACCOMPLISHED FAULT ISOLATION IAW FIM 34-61, TASK 836, FMC 1 PRESENT ON MCDU 1 AND FMC CHECKS NORMAL. FMC SOURCE SELECT SWITCH SET TO NORMAL.