Service difficulty report · Fmc · Boeing 737890

Difficulty date
August 28, 2008
Submitted
September 4, 2008
Operation
Air carrier
Aircraft
N583AS
Make and model
Boeing 737890
Aircraft serial
35681
Aircraft time
4,454 hours, 1,367 cycles
Part
Fmc
Part number
1762000101
Part serial
003128
Condition
Malfunctioned
Part time
4,454 hours, 1,367 cycles
Stage of operation
CL
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

DURING CLIMB SPEED BUG DROPPED TO CLEAN SPEED WITH V NAV ENGAGED FMC READS GOOD FOR CLIMB SPEED. AT CRUISE V NAV AND BUG APPEAR TO BE WORKING OKAY. PERFORMED FMC BITE TEST PER MM 34-61-00. PERFORMED DFGS BITE TEST PER MM 22-11-00. NO FAULTS NOTED. NO HISTORY NOTED. GROUND VERIFICATION SUCCESFUL.