Service difficulty report · Radar · Boeing 737990ER

Difficulty date
May 28, 2015
Submitted
June 2, 2015
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
4,616 hours, 1,526 cycles
Part
Radar
Condition
Malfunctioned
Location
Wx Sys
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

LEFT WX RADAR TILT OR GAIN INCORRECT. SHOWS CONSTANT RETURNS AND DOESN'T MATCH DISPLAY FOR RT WX RADAR OR VISUAL CONDITIONS. ACFT GROUNDED. ACCOMPLISHED MODE TEST, GAIN TEST, & ANTENNA TILT TEST PART OF WXR SYSTEM TEST REF MM 34-43-00-730-802-001 ALL TEST PASSED. NO HISTORY PAST 30 DAYS.