What was found
NOSE GEAR DOOR UNSAFE AMBER LIGHT ON BOTH PANELS AND BOTH SYS 1 AND 2 AT GEAR RETRACTION ON DEPARTURE. RAN QRH CHECK LIST WHICH DIRECTED NOT TO CYCLE GEAR WITH INCREASED FUEL CONSUMPTION ELECTED TO RETURN TO DEPARTURE UNSAFE NOSE GEAR DOOR LIGHT REMAINED ON AT GEAR EXTENSION BOTH PANELS AND BOTH SYS 1 AND 2 DURING RETURN WHEN GEAR HANDLE WAS MOVED TO NETURAL IT SOUNDED LIKE THE DOOR OPENED WITH INCREASED NOISE LEVEL. FOUND PROBLEM WITH RT NOSE GEAR DOOR UPLOCK ASSY NOT STAYING LATCHED-R & R RT NOSE GEAR DOOR UPLATCH ASSY IAW AMM 32-31-14-04--GROUND ACFT OK FOR SERVICE.