SDR ASAA2016040316227

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: April 3, 2016
Submitted: April 5, 2016
Operation: Air carrier
Aircraft: N493AS
Make and model: Boeing 737990ER
Aircraft serial: 41727
Aircraft time: 692 hours, 225 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: CL
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

DURING CLIMBOUT FOLLOWING MESSAGE ON F/O MAP DISPLAY "VTK" AND ON F/O PFD "LDG ALT", BOTH ON FOR 30 SECONDS THEN EXTINGUISHED. ACFT GROUNDED. ACCOMPLISHED FIM TASK 34-61 NR 836 AND FMC OPS CHECK IAW AMM 34-61-00, SYS OPS CHECKS NORMAL, GROUND VERIFICATION SUCCESSFUL.