As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE AT FL370 L RADAR WOULD ONLY PAINT ON COUNTER CLOCK WISE SWEEP AND THEN WENT TO MXK FAIL.(<P>PERFORMED AN OPERATIONAL CK OF LEFT RADAR IAW 34-43-00. OPS CK'S OK AT THIS TIME AND NO FAULTS NOTED. ALSO CHECKED RADAR RT TIGHT IN RACK OK.</P>)