What was found
SHIP 9580 -ATB/DE- FUNCTIONAL CHECK FLIGHT. SECOND ATTEMPT. THE CREW RETURNED TO THE DEPARTURE FIELD AFTER THE LANDING GEAR MALFUNCTIONED. NORMAL GEAR RETRACTION ON TAKEOFF. FCF CHECKLIST REQUIRED GEAR EXTENSION INFLIGHT; WHEN RETRACTING, CREW RECEIVED A RED "LEFT GEAR UNSAFE" INDICATION. THE QRH 14.18, GEAR UNSAFE WAS COMPLIED WITH. LOWERING THE GEAR, CREW RECEIVED THREE GREEN INDICATIONS. RAISING THE GEAR AGAIN, CREW RECEIVED RED LEFT GEAR UNSAFE INDICATION AGAIN. CREW DECLARED EMERGENCY WITH ATC AND RETURNED TO QRO. GEAR HANDLE PLACED BACK IN THE DOWN POSITION ON APPROACH, THREE GREEN GEAR DOWN AND LOCKED INDICATIONS RECEIVED. NORMAL LANDING AND TAXI TO THE HANGER. (LP #5049614)