SDR ASAA2020010331761

Service difficulty report · Unknown · Boeing 737890

Difficulty date: January 1, 2020
Submitted: January 3, 2020
Operation: Air carrier
Aircraft: N583AS
Make and model: Boeing 737890
Aircraft serial: 35681
Aircraft time: 47,160 hours, 13,804 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: LD
How discovered: O
Nature of condition: O
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, BOTH CDU'S BLANKED THEN CAME BACK ON "MENU" PAGE. NO FMC PROMPT FOR ABOUT 1 MIN. THEN IT CAME BACK. GROUNDED - YES. PERFORMED B737-800 FIM 34-61 TASK 801 AND FOUND FMC-L PGM FAULT. PERFORMED FIM 34-61 TASK 807 AND ALL NECESSARY PROMPTS SHOW. OPS TEST GOOD PER FIM 34-61 TASK 807.