Service difficulty report · Radar · Boeing 7673Y0

Difficulty date
October 25, 2020
Submitted
October 28, 2020
Operation
Air carrier
Aircraft
N1181A
Make and model
Boeing 7673Y0
Aircraft serial
26206
Aircraft time
88,732 hours, 22,281 cycles
Part
Radar
Condition
Malfunctioned
Location
Lt Wx System
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

LEFT RADAR TILT APPEARS TO BE OUT OF CALIBRATION. EXCESSIVE GROUND CLUTTER IN CRUISE AT NORMAL TILT SETTINGS. RADAR TILT APPEARS TO BE LOWER THAN INDICATED. PERFORMED LT WX RADAR SYSTEM, REF FIM 34-43 FT 805. OPERATIONS CHECK NORMAL. COULD NOT DUPLICATE ON GROUND.

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