SDR ASAA1159174

Service difficulty report · Unknown · Boeing 737890

Difficulty date: March 3, 2011
Submitted: March 8, 2011
Operation: Air carrier
Aircraft: N583AS
Make and model: Boeing 737890
Aircraft serial: 35681
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Fmc
Stage of operation: CR
How discovered: V
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

AT 2057Z FL 370 M.78 "VTK" APPEARED ON CAPTAINS MFD. FMC DATA WAS LOST ON BOTH FMC'S. IAW QRC, SELECTED FMC "BOTH ON 2 GOT THE " SINGLE FMC OPERATION" MESSAGE. PULLED & RESET FMCS COMPTR 1 C/B. P 18 2 A 6. NR 1 FMC SYSTEM OPS CHECK GOOD. REF M/M 34 61 00 810 801. LAND VERIFY TESTS PASS. REF 22 00 01 M/M. LWMP STATUS REMAINS CAT IIIA AUTOLAND & HGS.