SDR ASAA2017022119894

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: February 21, 2017
Submitted: February 23, 2017
Operation: Air carrier
Aircraft: N408AS
Make and model: Boeing 737990ER
Aircraft serial: 41732
Aircraft time: 16,769 hours, 5,419 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: N
Precautionary procedure: O

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

What was found

THE VTK CAUTION ILLUMINATED MULTIPLE TIMES DURING TAXI IN. NO CAUTIONS WERE EXPERIENCED IN FLIGHT. ACFT GROUNDED. PERFORMED FIM 34-61, TASK 807. LEFT FMC SHOWED 1 OCCURRENCE OF PGM FAULT. REBOOTED LEFT FMC, BITE CHECKED NORMAL IAW FIM 34-61, TASK 801.