SDR ASAA2016031315890

Service difficulty report · Fmc · Boeing 737890

Difficulty date: March 13, 2016
Submitted: March 15, 2016
Operation: Air carrier
Aircraft: N579AS
Make and model: Boeing 737890
Aircraft serial: 35187
Aircraft time: 34,673 hours, 10,355 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Stage of operation: DE
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

MOMENTARY DUAL FMC FAILURE AND "VTK" FLAG ON BOTH CAPT AND F/O'S SIDES AT ABOUT 6000' DECENDING INTO DESTINATION, CAME BACK ON BOTH SIDES WITHIN 1 MINUTE. ACFT GROUNDED. GROUND FUNCTIONAL CHECK GOOD IAW AMM 34-61-00-710-801 AND 34-61-00-730-801.