SDR ASAA2017051920834

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: May 19, 2017
Submitted: May 22, 2017
Operation: Air carrier
Aircraft: N467AS
Make and model: Boeing 737990ER
Aircraft serial: 36362
Aircraft time: 11,903 hours, 3,938 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: LD
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

ON LANDING, INDICATION FOR BOTH CAPTAIN'S AND FIRST OFFICER'S VTK FLAGS APPEARED. AFTER ENGINE SHUTDOWN AT THE GATE RECEIVED MANY YELLOW CAUTION LIGHTS, PWS FAIL, ATT, HDG, VRK, TCAS FAIL, AND VERT ON CAPTAIN'S & FIRST OFFICER'S DISPLAY. ACFT GROUNDED. CYCLED POWER AND REALIGNED IRU. PERFORMED FMCU NUISANCE ERROR FIM TASK 34-61-00-810-801. ALL FAULTS CLEARED, OK FOR SERVICE.