Service difficulty report · Warning System · Boeing 737890

Difficulty date
January 2, 2020
Submitted
January 7, 2020
Operation
Air carrier
Aircraft
N557AS
Make and model
Boeing 737890
Aircraft serial
35176
Aircraft time
51,780 hours, 15,114 cycles
Part
Warning System
Condition
False Activation
Location
Cockpit
Stage of operation
NR
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

WHEN WX OR WX+T BUTTON SELECTED "WXR FAIL" APPEARS BOTH CAPT AND FO SIDE. GROUNDED - YES. CYCLED C/B FOR WXR PER B737-800 AMM 20-60-05. PERFORMED BITE CHECK OF WXR PER B737-800 FIM 34-43 TASK 801. OPS CHECK NORMAL.