Service difficulty report · Keyboard · Boeing 737990ER

Difficulty date
April 18, 2018
Submitted
April 23, 2018
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
17,514 hours, 5,819 cycles
Part
Keyboard
Part number
17694406
Condition
Failed
Location
Cdu
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

FIRST OFFICER`S CDU DISPLAY IS DARK AND BARELY READABLE, OCCASIONALLY BECOMES BRIGHT AND THEN RETURNS TO DARK. ACFT GROUNDED. REPLACED THE FMCS CDU KEYBOARD, OPS NORMAL IAW AMM 34-61-01-400-801, AND AMM 34-61-01-710-801.