Service difficulty report · Cdu · Boeing 737890

Difficulty date
January 1, 2018
Submitted
January 5, 2018
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
43,385 hours, 12,916 cycles
Part
Cdu
Condition
Faulted
Location
Fmc
Stage of operation
IN
How discovered
O
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE ACCOMPLISHING T/C 78273000, INTERROGATE THE FMC CDU FOR FAULTS, FOUND FAULT 75-10441, VBV POSITION SIGNAL OUT OF RANGE, NR 1 ENG, LONG TERM FAULT. ACFT GROUNDED.