What was found
1) AFTER DEPARTING CLT CREW REPORTED BOTH #1 COMM AND #2 COMM HAVE HEAVY STATIC DURING CLIMBOUT AND INTERMITTENT AT LEVEL FLIGHT. MODERATE PRECIP THROUGHOUT THE FLIGHT. 2) CREW RETURNED TO HOME BASE. LANDING WAS UNEVENTFUL. 3) TECHNICIANS TESTED ALL STATIC WICKS AND FOUND SEVERAL IN NEED OF REPLACEMENT DUE TO EROSION OR FAILURE DURING TESTING. 4) REMOVED AND REPLACED ALL WICKS AT THE LH & RH AILERON, WING TIP AND ELEVATOR WITH NEW. REMOVED AND REPLACED 3 ON RUDDER WITH NEW. TESTED WITH NO FURTHER DEFECTS.