SDR ASAA2016062117111

Service difficulty report · Warning System · Boeing 737890

Difficulty date: June 21, 2016
Submitted: June 23, 2016
Operation: Air carrier
Aircraft: N563AS
Make and model: Boeing 737890
Aircraft serial: 35180
Aircraft time: 36,970 hours, 11,151 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Warning System
Condition: False Activation
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

TEMPORARY FMC FAILURE ON CAPTS SIDE VTK DISPLAYED FOLLOWED BY MAP FAILURE FLAGS. RETURNED TO NORMAL AFTER ABOUT 60 SECONDS, QRH REFERENCED BUT RETURNED TO NORMAL BEFORE SWITCHES WERE MOVED. ACFT GROUNDED. REF FIM 34-61, TASK 801, PERFORMED FMC BIT TEST. NO FAULTS FOUND. GROUND VERIFICATION WAS SUCCESSFUL.