As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR TILT SELECTOR UNABLE TO SELECT - 1DEG TILT. SETTING JUMPS FROM 0DEG TO -2DEG . ALL OTHER RADAR FUNCTIONS ARE NORMAL. RT SYSTEM SELECTED. (NOTE LT SYSTEM ON MDDR) PERFORMED RADAR TILT OPS CHECK ALL NORMAL. COULD NOT DUPLICATE ITEM. RADAR OPS CHECK GOOD IAW AMM 34-43-00 & FIM 34-43 TASK 812.