What was found
DURING DESCENT OUT OF 16,000 FT, GOT A BUMP IN NOSE GEAR AREA, THEN OUT OF 10,000 FT THE BUMP RETURNED WITH AN UNLOCK GEAR LIGHT FOR A SECOND AND WENT AWAY. GEAR EXTENDED NORMALLY DURING EXTENSION. ACCOMPLISHED GEAR BUMP CHECK LIST IAW MM 32-30-00. FOUND RT UPLOCK SWITCH OUT OF SPEC. FOUND LT AND NOSE AT MIN END OF SPEC. ADJUSTED ALL 3 UPLOCK SWITCHES TO MAX END OF SPEC IAW MM 32-30-00. OPS CHECK GOOD.