SDR ASAA2017090921872

Service difficulty report · Fmc · Boeing 737890

Difficulty date: September 9, 2017
Submitted: September 11, 2017
Operation: Air carrier
Aircraft: N516AS
Make and model: Boeing 737890
Aircraft serial: 39044
Aircraft time: 33,303 hours, 10,112 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Left
Stage of operation: TX
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

LEFT FMC INTERMITTENTLY FAILED DURING TAXI-IN WITH VTK DISPLAYED ON CAPTAIN'S ND. CONDITION CONTINUED AT GATE, WITH FMC PROMPTS REMOVED FROM BOTH MCDUS, AND VTK APPEARING INTERMITTENTLY ON CAPTAIN'S SIDE. ACFT GROUNDED. NO PREVIOUS HISTORY. ACCOMPLISHED FIM 34-61, TASK 836. DOWN MODE CONDITION FAULT RESET AND GROUND VERIFICATION TEST NORMAL.