What was found
DESCENDING THROUGH 11,500 FT WITH AN AIRSPEED OF 250 KTS. HAD GEAR WARNING AURAL INDICATION. IN CRUISE CONFIGURATION 11,000 AGL. HAD AN ADDITIONAL 4 AURAL WARNING LASTING FROM 3 SECONDS TO 25 SECONDS DURING THE REMAINDER OF FLIGHT. ALSO HAD AN EGPWS WARNING DURING ONE OF THE GEAR WARNING EVENTS. CHECKED WIRING CONNECTIONS, BOND CHECKED ANTENNAS, RANG COAXS, ALL GOOD. PREFORMED LANGING GEAR WARNING CHECK & THROTTLE SWITCH TEST, NO FAULTS NOTED. INTERIGATED EGPWS & FOUND SEVERAL "TO LOW TERRAIN" IN FLIGHT WARNINGS, TECH CHANGED RADIO ALT TRANSCEIVER, PLACED SPEX UNIT IN ACFT SET RADIO TO ZERO FT, OPS CHECKED GOOD IAW MM CH 34-12-10.