As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GROUND CLUTTER SWITCH GC RADAR TOP ROW SHOULD BE MOMENTARY PUSH SWITCH. STUCK IN THE ON POSITION. SWITCH IS ROUGH & BINDING, DOES NOT FEEL OR ACT NORMALLY. ACFT GROUNDED. REPLACED WEATHER RADAR CONTROL PANEL. RESET CIRCUIT BREAKER & OPS NORMAL. IAW MM 34-43-91. GROUND VERIFICATION GOOD.