As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL IN FLIGHT 10000 FT GEAR UP HAD STEADY WARNING HORN. HORN STEADY TONE. HORN STOPPED & STARTED 7 TIMES DURING RETURN TO FIELD AFTER TAKEOFF. NO AMBER LIGHTS OR MASTER CAUTION. HAD PWS FAIL LIGHT ON BOTH ND`S AFTER GEAR EXTENDED HORN STOPPED. REPLACED NR 1 LRRA TRANSMIT & RECEIVE ANTENNA IAW AMM 34-33-11-400-803. ACCOMPLISHED CAT 3 TEST IAW AMM 22-11-00.