SDR ASAA2020031732445

Service difficulty report · Unknown · Boeing 737890

Difficulty date: March 15, 2020
Submitted: March 17, 2020
Operation: Air carrier
Aircraft: N563AS
Make and model: Boeing 737890
Aircraft serial: 35180
Aircraft time: 50,766 hours, 15,071 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
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

CAPTAIN DISPLAY VTK NO FD NO LNAV OR VNAV. BOTH MAPS ONLY DISPLAYED THE MAGENTA LINE BOTH CDU WENT TO MENU DISPLAY / FO SIDE HAD A FLIGHT DIRECTOR. SWITCHED AUTO PILOT TO B SIDE AND HEADING SELECT LNAV + VNAV THEN WORKED SO I SWITCHED EVERYTHING BACK TO THE CAPTAIN'S SIDE AND EVERYTHING WORKED BEFORE SWITCHING TO THE FO SIDE, THE AUTO THROTTLE RETARDED PAST 75% SO I DISENGAGED IT + RE-ENGAGED IT AND THEN IT WORKED. GROUNDED - YES. PERFORMED FMC RESET PER B737-800 FIM 34-61-836. OPS CHECK NORMAL.