SDR ASAA2014061508205

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: June 15, 2014
Submitted: June 17, 2014
Operation: Air carrier
Aircraft: N431AS
Make and model: Boeing 737990ER
Aircraft serial: 43255
Aircraft time: 2,642 hours, 898 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Malfunctioned
Location: Left
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

"VTK" AND "MAP" ANNUNCIATED ON MAP MODE DISPLAY CONFIRMED LT FMC INOPOPERATIVE VIA CHECKLIST, CONTINUED SINGLE RT FMC OPERATION. ACFT GROUNDED. CYCLED NR 1 FMC CIRCUIT BREAKER, SYS RESTORED & CKS NORMAL IAW 34-61-00, GROUND CONF SUCCESSFUL.