Service difficulty report · Radar · Boeing 767322

Difficulty date
August 24, 2022
Submitted
August 24, 2022
Operation
Air carrier
Aircraft
N654UA
Make and model
Boeing 767322
Aircraft serial
25392
Aircraft time
116,358 hours, 18,222 cycles
Part
Radar
Part number
066500080408
Part serial
10456
Condition
Failed
Location
Wxr
Stage of operation
UK
How discovered
O
Nature of condition
O
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WXR FAIL MESSAGE IN ALL MODES. WXR FAIL ANT MESSAGE IN TEST MODE . T/S PER FIM TASK 34-43-00/301. AND PERFORMED WXR RADAR BITE TEST CHECK GOOD. OK FOR SERVICE. OLD WXR RADAR HAS MULTIPLE ANT AZ PER FIM 34-43 FAULT TREE 817 WXR BITE. BITE TEST WAS GOOD. DUE CCW OPEN AND ANT AZ CW OPEN FAULTS. WXR RADAR PEDESTAL WAS TO DOUBLE WRITE UP AND AIR RETURN WITH SAME FAULT ,REMOVED AND REPLACED SWING SHIFT, TODAY. REPLACED WXR RADAR TRASCEVER PER AMM TASK 34-43-01-404-005. OPS ROTABLE PARTS CHANGE WAS INDICATED - TT # 1839024 SN OFF 0456 TRANSCEIVER, WX OFF 19-3440-9-0001 0456 ON 19-3440-9-0001 2358