SDR ASAA2015012010326

Service difficulty report · Fmc · Boeing 737890

Difficulty date: January 20, 2015
Submitted: January 23, 2015
Operation: Air carrier
Aircraft: N586AS
Make and model: Boeing 737890
Aircraft serial: 35189
Aircraft time: 27,950 hours, 8,653 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: CL
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

AT TOP OF CLIMB, 34000, CAPTAIN'S FMC'S SCREEN WENT BLACK, AFTER A FEW SECONDS IT RETURNED TO NORMAL OPERATIONS AFTER A START UP TEST SCREEN. ACFT GROUNDED. PERFORMED FIM TASK 34-61 TASK 801 NO DEFECTS NOTED NO HISTORY LAST 30 DAYS. ACFT OK FOR SERVICE.