Service difficulty report · Fmc · Boeing 737890

Difficulty date
November 15, 2015
Submitted
November 17, 2015
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
33,655 hours, 10,402 cycles
Part
Fmc
Part number
1762000101
Part serial
000785
Condition
Failed
Location
E/E Compt
Part time
45,917 hours, 16,011 cycles
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

FOUND SINGLE FMC MESSAGE ON FMS DISPLAYS. ACFT GROUNDED. FOUND NR 2 FMC INOPERATIVE. NO GREEN VALID LIGHT ON COMP FACE. NO FMC PROMPT WHEN BOTH ON 2 SELECTED. REPLACED NR 2 FMC MM TASK 34-61-02-400-801 IAW TASK 34-61-00-800-801 SET DRAG FACTOR TO -1.3 TO MATCH NR 1 FMC. OPS GOOD IAW TASK 34-61-00-710-801.