What was found
DURING FLIGHT 3034, THE RADAR IS INOPERATIVE. PAINTS NORMAL ON A RIGHT TO LEFT SWEEP, ON THE SWEEP LEFT TO RIGHT PAINTS LINES. AIR TURNBACK TO MSP. MAINTENANCE REPLACED WX RADAD R/T PN 622-7337-001, SN/OFF 4748, SN/ON 4663. WX RADAR OPS CHECKS GOOD IAW SF340 MM CHAP 34.