Service difficulty report · Key · Boeing 737990ER

Difficulty date
October 18, 2019
Submitted
October 22, 2019
Operation
Air carrier
Aircraft
N428AS
Make and model
Boeing 737990ER
Aircraft serial
36353
Aircraft time
14,509 hours, 4,661 cycles
Part
Key
Condition
Inoperative
Location
Fmc
Component
Fmc
Component part number
1741010303
Stage of operation
NR
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

F/O FMS CONTROL HEAD BUTTONS 1 RIGHT, 3 RIGHT, 5 RIGHT NOT RESPONDING WHEN PRESSED. GROUNDED - YES. REPLACED F/O'S FMC DISPLAY UNIT REF B737-900 AMM 34-61-01-000-802. OPS CHECK NORMAL REF AMM 34-61-01-400-802.