What was found
HYDRAULIC LIGHT FLASHED ON AND OFF WITH LANDING GEAR CYCLING AND GEAR UNSAFE LIGHT. FOUND NOSE GEAR UPLOCK SWITCH OUT OF ADJUSTMENT,(ADJUSTED) OPS CHECK GOOD ON JACKS. REPETE SQUAWK ON NEXT FLIGHT. FOUND NOSE GEAR STRUT EXTENSION BEYOND LIMITS. DISASSEMBLED NOSE GEAR, FOUND BEARING PN 6342011-3 LOOSE, ALSO FOUND 4 EA. RETAINING SET SCREW PN NAS1081-3B4 NOT INSTALLED. WHICH CAUSED BEARING TO BACK OFF AND LEGTHEN THE STRURT EXTENSION, TO GENERATE THE MALFUNCTION. SECTION 32-20-00, FIGURE 1001, ITEMS 231, 232. OF 525B IPC.