SDR ASAA12511597

Service difficulty report · Fmc · Boeing 737890

Difficulty date: May 27, 2012
Submitted: May 30, 2012
Operation: Air carrier
Aircraft: N590AS
Make and model: Boeing 737890
Aircraft serial: 35687
Aircraft time: 16,592 hours, 5,245 cycles
Engine: Cfmint CFM567B273
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
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

WHILE TAXIING TO THE GATE AFTER LANDING, FMC DISAGREE LIGHT CAME ON. ACFT GROUNDED. RESET NR 2, FMC OPS RESTORED, FMC DISAGREE LT OFF. BITE CHECKED OK IAW MM 34-61-01. GROUND VERIFICATION OF ETOPS SIGNIFICANT SYS OK. ACFT OK FOR SERVICE