SDR ASAA2015062812257

Service difficulty report · Fmc · Boeing 737890

Difficulty date: June 28, 2015
Submitted: June 30, 2015
Operation: Air carrier
Aircraft: N563AS
Make and model: Boeing 737890
Aircraft serial: 35180
Aircraft time: 33,305 hours, 10,124 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1762000101
Part serial: 007429
Condition: Failed
Location: Right
Part time: 8,010 hours, 2,482 cycles
Stage of operation: CR
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

IN ETOPS AIRSPACE, JUST PASSED LP. RECEIVED FMC MESSAGE "SINGLE FMC", RT FMC FAILED, AT TIME OF FAILURE LT, IRS DRIFT 1.6 AND RT- IRS DRIFT 3.7, BOTH LT & RT GPS OPS NORMAL, QRH FOLLOWED, UNABLE TO RESTORE DUAL FMC OPERATION. ACFT GROUNDED. REPLACED RT FMC IAW AMM 34-61-02-400-801.