What was found
UPON GEAR RETRACTION, ENCOUNTERED A LOUD CONTINUOUS BANGING NOISE ALONG WITH SEVERE VIBRATIONS. RED GEAR UNLOCK LIGHT REMAINED ON UNTIL THUMPING STOPPED. PROBLEM APPEARED TO BE COMING FROM THE NOSE WHEEL. DECLARED AN EMERGENCY & LANDED UNEVENTFULLY. INSPECTED LANDING GEAR WIRING & SWITCHES. FOUND RT UPLOCK SWITCH OUT OF ADJUSTMENT. RIGGED IAW MM 32-60-00. PERFORMED INDICATOR CHECK TEST IN CDMS DATA DID NOT AGREE WITH ANNUNCIATOR LIGHTS ON PCB NF205. INSTALLED NEW LANDING GEAR PCB NF205. CYCLED GEAR NUMEROUS TIMES IAW MM 24-60-10 & 32-00-00. NO DEFECTS NOTED.