Service difficulty report · Control Panel · Boeing 737990ER

Difficulty date
October 3, 2017
Submitted
October 5, 2017
Operation
Air carrier
Aircraft
N481AS
Make and model
Boeing 737990ER
Aircraft serial
44106
Aircraft time
8,658 hours, 2,922 cycles
Part
Control Panel
Part number
6225129802
Part serial
46T2FF
Condition
Failed
Location
Wx Radar Sys
Part time
8,674 hours, 2,928 cycles
Stage of operation
NR
How discovered
9
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

WEATHER RADAR WILL NOT GO INTO THE TEST MODE ON THE ND FOR EITHER PILOT'S SCREENS. ACFT GROUNDED. REMOVED AND REPLACED THE WEATHER RADAR CONTROL PANEL IAW AMM 34-43-91-000-801, AND 34-43-91-400-801. OPS CHECKED GOOD.