Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
October 2, 2015
Submitted
October 5, 2015
Operation
Air carrier
Aircraft
N486AS
Make and model
Boeing 737990ER
Aircraft serial
44107
Aircraft time
51 hours, 22 cycles
Part
Fmc
Condition
Failed
Location
Nr 1
Stage of operation
NR
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

NR 1 FMC FAILED (VTK) FOR 15-20 SECONDS THEN RETURNED FULL FUNCTION, FOR DURATION OF FLIGHT. NO ACTION TAKEN. ACFT GROUNDED. PERFORMED FIM TASK 34-61, TASK 807 NR 1 FMC GROUND VERIFICATION, OPS CK NORMAL.