Service difficulty report · Fmc · Boeing 737890

Difficulty date
July 18, 2017
Submitted
July 21, 2017
Operation
Air carrier
Aircraft
N506AS
Make and model
Boeing 737890
Aircraft serial
35690
Aircraft time
34,646 hours, 10,586 cycles
Part
Fmc
Part number
1762000101
Part serial
002783
Condition
Failed
Location
Left
Part time
39,079 hours, 11,625 cycles
Stage of operation
NR
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

LEFT FMC FAILED. PERFORMED QRH PROCEDURE, DID NOT RECOVER LEFT FMC. ACFT GROUNDED. CONFIRMED FAULT, LT FMC INOPERATIVE. REPLACED LT FMC IAW AMM 34-61-02, CROSS-LOADED ALL SOFTWARE IAW AMM 34-61-00-201 & FMCS PERFORMANCE FACTORS IAW AMM 34-61-00-800-801, OPS CHECKED NORMAL IAW AMM 34-61-00.