SDR ASAA2017103122395

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: October 31, 2017
Submitted: November 2, 2017
Operation: Air carrier
Aircraft: N459AS
Make and model: Boeing 737990ER
Aircraft serial: 36352
Aircraft time: 14,589 hours, 4,825 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Stage of operation: NR
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

SINGLE FMC OPS SCRATCHPAD MESSAGE AND VTK IN F/O'S ND. RAN QRH, VTK AND MESSAGE WENT AWAY BEFORE COMPLETING QRH. ACFT GROUNDED. FAULT NO LONGER PRESENT, ACCOMPLISHED FMC OPS CHECK IAW AMM 34-61-00, SYSTEM OPS CHECKS NORMAL, GROUND VERIFICATION SUCCESSFUL.