SDR ASAA2018012623309

Service difficulty report · Display · Boeing 737990ER

Difficulty date: January 26, 2018
Submitted: January 29, 2018
Operation: Air carrier
Aircraft: N471AS
Make and model: Boeing 737990ER
Aircraft serial: 41703
Aircraft time: 13,174 hours, 4,376 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Display
Condition: Malfunctioned
Location: Captain'S
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

DURING CRUISE, THE CAPTAIN'S ND DISPLAYED VTK, CAPTAIN`S MCDU WENT TO MENU, CWR MODE ENTERED IN ROLL MODE AND LANDING DISTANCE FLAG APPEARED BELOW ALTITUDE STRIP AFTER APPROXIMATELY 15 SECONDS, SYSTEMS RETURNED TO NORMAL. ACFT GROUNDED. PERFORMED A BITE CHECK, NO DISCREPANCIES NOTED, OPS NORMAL IAW AMM 34-61-00, NO HISTORY, NUISANCE FAULT.