SDR ASAA2015042811570

Service difficulty report · Fmc · Boeing 737890

Difficulty date: April 28, 2015
Submitted: April 30, 2015
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 17,194 hours, 18,908 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Condition: Failed
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

ATTEMPTED TO ACCOMPLISH T/C N8234000, FMC NAV DATA UPDATE. LOADED NEW NDB ASA1150501 INTO LT FMC BUT CROSSLOAD TO RT FMC FAILED, UNABLE TO COMPLETE T/C. ACFT GROUNDED. REF AMM 34-61-00, RE-LOADED OLD, CURRENT THRU APR 29, 2015, NDB INTO LT FMC AND SUCCESSFULLY CROSSLOADED, NDB ASA1150401, INTO RT FMC. BOTH FMC'S OPS NORMAL IAW ABOVE AMM REF ETOPS GND VERIFICATION SUCCESSFUL.