Service difficulty report · Transceiver · Boeing 737990ER

Difficulty date
June 15, 2018
Submitted
June 18, 2018
Operation
Air carrier
Aircraft
N459AS
Make and model
Boeing 737990ER
Aircraft serial
36352
Aircraft time
17,180 hours, 5,710 cycles
Part
Transceiver
Part number
8221710002
Part serial
40CNM1
Condition
Abnormal
Location
Captain'S Wx Rdr
Part time
17,179 hours, 5,710 cycles
Stage of operation
CR
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

CAPTAIN`S SIDE RADAR DISPLAY NOT INDICATING WEATHER TARGETS PROPERLY AND IS SHOWING RETURNS THAT AREN'T THERE IN MANUAL AND AUTO MODES. FIRST OFFICER`S SIDE WORKS NORMALLY. ACFT GROUNDED. WX RADAR BITE TESTED NORMAL. RADOME VISUAL INSPECTION, NO DEFECTS NOTED. ACCOMPLISHED SB 34-2687-NG-1-1. WX RADAR VERSION 1 TO VERSION 2. TESTED IAW MM 34-43-00-730-802-001.