Service difficulty report · Fmc · Boeing 737990ER

Difficulty date
June 17, 2018
Submitted
June 20, 2018
Operation
Air carrier
Aircraft
N494AS
Make and model
Boeing 737990ER
Aircraft serial
41729
Aircraft time
9,476 hours, 3,122 cycles
Part
Fmc
Part number
1762000101
Condition
Faulted
Location
E&E Bay
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

MULTIPLE FMC NR 1 FAILS WITH FMC FAIL AMBER PANEL LIGHT, ASSOCIATED VTK LIGHT & A/T LIM. GROUNDED - YES. REMOVED AND REPLACED LEFT FMC COMPUTER REF AMM 34-61-02. ACCOMPLISHED LEFT FMC COMP BITE PER FIM 34-61 TASK 801. NO FAULTS LOGGED ON LEFT NOR RT COMPUTERS.