Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date
July 13, 2018
Submitted
July 17, 2018
Operation
Air carrier
Aircraft
N409AS
Make and model
Boeing 737990ER
Aircraft serial
41733
Aircraft time
22,095 hours, 7,315 cycles
Part
Control Panel
Part number
6225129802
Part serial
4152CR
Condition
Failed
Location
Cockpit
Part time
16,596 hours, 5,501 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

WEATHER RADAR "AUTO' SELECTOR DOES NOT KEEP WX RADAR IN AUTO MODE. WITH AUTO SELECTED WXR (-1) M OR MANUAL MODE IS SHOWN ON NAV DISPLAY INSTEAD OF WX AND THE TILT AND "A" FOR AUTO. GROUNDED - YES. R&R WX RADAR CONT PANEL PER 34-43-91, SYS OPS CKS NML PER SAME.