SDR ASAA2016061617059

Service difficulty report · Unknown · Boeing 737890

Difficulty date: June 16, 2016
Submitted: June 20, 2016
Operation: Air carrier
Aircraft: N564AS
Make and model: Boeing 737890
Aircraft serial: 35103
Aircraft time: 37,099 hours, 11,313 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

AFTER LANDING, CLEARING RUNWAY, BOTH MCDU SWITCHED TO MENU PAGE AND NO FMC PROMPT WAS DISPLAYED. CAPTAIN ND HAD VTK FLAG DISPLAYED. DID NOT NOTICE THE F/O ND. AFTER ABOUT 1 MIN EVERYTHING RETURNED TO NORMAL, BUT FMC DATA FOR FLIGHT WAS LOST. ACFT GROUNDED. ACCOMPLISHED FIM 34-61, TASK 836, FMC DOES NOT OPERATE, BOTH FMC'S RESET ACCOMPLISHED, AND ALL GROUND FUNCTIONAL TESTS PASS.