Service difficulty report · Radar · Boeing 737890

Difficulty date
August 2, 2012
Submitted
August 6, 2012
Operation
Air carrier
Aircraft
N565AS
Make and model
Boeing 737890
Aircraft serial
35181
Aircraft time
21,816 hours, 6,765 cycles
Engine
Cfmint CFM567B27
Part
Radar
Condition
Malfunctioned
Location
Weather Radar
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 TILT APPEARS TO NEED CALIBRATION. NEED 4 DOWN TILT TO SHOW GROUND RETURN AT 80 MILES VERSUS 1 DOWN TILT NORMALLY. ACFT GROUNDED. PERFORMED WEATHER RADAR SYS TEST IAW AMM 34-43-00. UNABLE TO DUPLICATE DEFECT. ALL GROUND FUNCTIONAL TESTS PASS NO HISTORY 30 DAYS.