Service difficulty report · Unknown · Boeing 737890

Difficulty date
October 6, 2018
Submitted
October 9, 2018
Operation
Air carrier
Aircraft
N529AS
Make and model
Boeing 737890
Aircraft serial
35198
Aircraft time
33,215 hours, 10,004 cycles
Part
Unknown
Condition
Malfunctioned
Location
Weather Radar
Stage of operation
NR
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

THE RADAR CONTINUOUSLY PAINTS RETURNS AT THE NINE AND THREE O'CLOCK POSITIONS 8 MILES OUT. IT ALSO PAINTS RETURNS FROM 80 TO 160 NM OUT THAT ARE NOT THERE CONTINUOUSLY. GROUNDED - YES. PERFORMED WXR SYSTEM BITE TEST PER FIM 34-43 TASK 801, TEST PASSED. PERFORMED WXR SYSTEM OPS TEST AMM 34-43-00-710-802-001 & WX SYSTEM-SYSTEM TEST AMM 34-43-00-710-802-401, BOTH TEST PASSED. WXR SYSTEM WORKS NORMAL, UNABLE TO DUPLICATE THE DISCREPANCY.