SDR ASAA2017062121146

Service difficulty report · Fmc · Boeing 737890

Difficulty date: June 21, 2017
Submitted: June 22, 2017
Operation: Air carrier
Aircraft: N590AS
Make and model: Boeing 737890
Aircraft serial: 35687
Aircraft time: 36,118 hours, 10,897 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Faulted
Location: Left
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

DURING TAXI IN, THE LEFT FMC FAILED. DUAL OPS RESTORED AFTER 2 MINUTES. ACFT GROUNDED. PERFORMED FMC BITE PROCEDURE IAW FIM 34-61 TASK 801. FOUND THE LEFT FMC PROGRAM FAULT, INFLIGHT FAULTS. ACCOMPLISHED FAULT PROCEDURE FIM 34-61, TASK 807. NO FURTHER FAULTS NOTED. INTERMITTENT FAULT. OKAY FOR CONTINUED SERVICE.