SDR ASAA2018040324136

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: April 3, 2018
Submitted: April 5, 2018
Operation: Air carrier
Aircraft: N408AS
Make and model: Boeing 737990ER
Aircraft serial: 41732
Aircraft time: 21,338 hours, 6,979 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: First Officer'S
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

FMC FAIL VTK INDICATED INTERMITTENTLY ON THE FIRST OFFICER`S SIDE, ON GROUND DURING TAXI. ACFT GROUNDED. FLIGHT FAULT REVIEW LOGGED PGM FAULT, RIGHT FMC TESTED IAW FIM 34-61-00-810-801, AND NO CURRENT FAULTS, ALL OPS CHECKED GOOD, NO HISTORY 30 DAYS.