SDR ASAA1159533

Service difficulty report · Unknown · Boeing 737890

Difficulty date: April 22, 2011
Submitted: April 25, 2011
Operation: Air carrier
Aircraft: N589AS
Make and model: Boeing 737890
Aircraft serial: 35686
Aircraft time: 12,534 hours, 4,061 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Fmc
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LEFT FMC FAIL 55 MINUTES AFTER TAKEOFF. CAPTAIN'S MAP DISPLAY SHOWED VTK AND MAP FAULTS. FMC LOST FMC MENU ITEM BOTH SIDES. USED QRH TO RESTORE SINGLE FMC OPERATION BY SELECTING FMC SELECT SW TO BOTH ON RIGHT. DUAL FMC OPS WAS NOT RESTORED. CONTINUED FLIGHT WITH SINGLE FMC. LT FMC ONLY SAW ADIRS RT CDU LT VOR RT MMR LT & RT & FMC RT FAULTS ON LEGS 1 & 2. PULLED & RESET LT FMC C/B'S. OPS CHECK LT FMC GOOD. REF FIM 34 61/T801 & MM 34 61 00. NO HISTORY 60 DAYS. VERIFICATION CHECK GOOD.