SDR ASAA2021021834151

Service difficulty report · Fmc · Boeing 737890

Difficulty date: February 18, 2021
Submitted: February 23, 2021
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 44,421 hours, 13,144 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Location: Right
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

3 SEPARATE OCCASIONS, FO NAV DISPLAY SHOWED MAP AND VTK WITH ASSOCIATED FMC ALERT LIGHT ILLUMINATION INDICATING RIGHT FMC FAILURE EACH TIME IT RESOLVED BEFORE ACCOMPLISHING, QRH. GROUNDED - YES. NR 2 FMC OPS NORMAL, COULD NOT DUPLICATE, NO HISTORY.