SDR ASAA2016103018521

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: October 30, 2016
Submitted: November 1, 2016
Operation: Air carrier
Aircraft: N481AS
Make and model: Boeing 737990ER
Aircraft serial: 44106
Aircraft time: 4,989 hours, 1,631 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Unknown
Stage of operation: NR
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

CAPTAINS ND SHOWED AMBER VTK FOLLOWED BY FMC 1 AND 2 MENU DISPLAYED WITH FMC CHOICE MISSING ALONG WITH ALL FMC DATA. FOLLOWED QRH FOR FMC FAIL THRU STEP 7. BOTH FMC'S RESTORED SPONTANEOUSLY. ND'S CONTINUOUSLY DISPLAYED CORRECT NAVIGATION DATA DURING THE BRIEF EVENT. GROUNDED, YES. ACCOMPLISHED FIM 34-61 TASKS 804 AND 801. NO DISCREPANCIES NOTED. FMC'S OPS NORMAL. A/C OK FOR CONTINUED SERVICE.