What was found
RADAR INOP, DISPLAYS SPOKE RETURNS. REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: 066-50008-0406 POS: ONL SRL: 10790 TAG NBR: 8752F2 ON MPN: 066-50008-0406 CPN: 3414883 SRL: 11890 TAG NBR: H48655 REASON CODE : PREMATURE REMOVAL/INSTALLATION OFF MPN: 2041444-0405 POS: ONL SRL: 1207 TAG NBR: 8528G8 ON MPN: 2041444-0401 CPN: 3414781 SRL: 6351 TAG NBR: 6F4563 FACT 22MAR22 14:42 BNA U ACCOMPLISHED BITE TEST OF RADAR TRANSCEIVER PER FIM 34-43/809 .INDICATED TRANSCEIVER FAULT. R&R'D RADAR TRANCEIVER PER AMM 34-43-01-4. AS A PRECUATION R&R'D RADAR ANTENNA DRIVE UNIT AND ANTENNA ARRAY PER AMM 34-43-05-4-4. ALL OPS CHECKS GOOD PER AMM 34-43-00-5-99, WITH NO FAULTS INDICATED. COMPARED DISPLAY TO ANOTHER A/C WITH SAME RESULTS. A/C OK FOR SERVICE.