Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
March 28, 2021
Submitted
March 30, 2021
Operation
Air carrier
Aircraft
N468AS
Make and model
Boeing 737990ER
Aircraft serial
41735
Aircraft time
25,208 hours, 8,115 cycles
Part
Fmc
Part number
000
Condition
Faulted
Location
Cockpit
Stage of operation
CR
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

FMC DISAGREE WITH VTK ON FO'S NAV DISPLAY WAS INTERMITTENT INFLIGHT. GROUNDED - YES. REF B737-900 FIM 34-61 TASK 837 FIM LOGGED PGM FAULT. RESET FMC, CYCLED C/B P6-1 D16. ETOPS SIGNIFICANT SYSTEM. OK FOR SERVICE.