SDR ASAA2015082412890

Service difficulty report · Fmc · Boeing 737990ER

Difficulty date: August 24, 2015
Submitted: August 26, 2015
Operation: Air carrier
Aircraft: N457AS
Make and model: Boeing 737990ER
Aircraft serial: 36355
Aircraft time: 6,062 hours, 1,967 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Fmc
Part number: 1762000101
Part serial: 008444
Condition: Failed
Location: Right
Part time: 6,070 hours, 1,966 cycles
Stage of operation: NR
How discovered: 9
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

RIGHT FMC FAIL. ACFT GROUNDED. PERFORMED RT FMC BITE 34-61, TASK 801. FOUND RT FMC FAIL FAULTS. DUE TO PREVIOUS, REPLACED NR 2 FMC COMPUTER, REMOVED AND INSTALLED RT FMC COMPUTER, REF 34-61-02. ACCOMPLISHED SW LOAD IAW 34-61-00/201. SET PERFORMANCE FACTOR ADJUSTMENT TASK 34-61-00. PERFORMED FMC, OPS TEST TASK 34-61-00, SYS CKS NORMAL.