What was found
DURING LANDING GEAR EXTENSION, SYS 1 SELECTED, ALL AMBER DOOR LIGHTS ILLUMINATED, MAIN GEAR GREENS ON, NOSE GEAR RED UNLOCK REMAIN, LIGHT ON BOTH SYS 1 & 2. IAW QRH MANUAL GEAR EXTENSION, VISUAL CHECKED IN E & E CONFIRMED NOSE GEAR DOWN, STILL UNSAFE INDICATION, TOWER VISUAL ALSO, NLG DOWN. LANDED & SHUTDOWN, THEN GREEN NLG LIGHT ON AND RED OUT ON BOTH SYSTEMS. NOSE GEAR ACTUATING CYLINDER REPLACED IAW AMM 32-31-22-04. NOSE GEAR TELESCOPIC STRUT REPLACED IAW AMM 32-31-24-04. NOSE GEAR OPERATION TEST WITH MAIN GEAR ON GROUND AND NOSE GEAR FREE FALL TEST WITH MAIN GEAR ON THE GROUND PERFORMED IAW AMM 32-31-00-05. TESTED SERVICEABLE.