Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
March 25, 2016
Submitted
March 29, 2016
Operation
Air carrier
Aircraft
N495AS
Make and model
Boeing 737990ER
Aircraft serial
41728
Aircraft time
221 hours, 78 cycles
Part
Fmc
Part number
1762000101
Part serial
010601
Condition
Failed
Location
Left
Part time
333 hours, 110 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
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 ENROUTE DURING CRUISE. RAN QRH PROCEDURE, UNABLE TO RESTORE DUAL OPS. ACFT GROUNDED. R & R LT FMC COMPUTER REF AMM 34-61-02. ALL SOFTWARE VERIFIED EFFECTIVE & CROSSLOADED FROM RT FMC. OPS TEST PASSED.