What was found
STATUS MESSAGE FOR THE LANDING GEAR MONITOR. NO NOSE GEAR GREEN DOWN AND LOCKED LIGHT. FOLLOWED QRH ALT. EXTENDED GEAR STILL NO GREEN NOSE GEAR LIGHT. TROUBLESHOT IAW FIM 32-61 FT 812, PSEU FAULTING INTERNAL CARD CODE 010. REMOVED AND REPLACED PSEU IAW AMM 32-09-04-4, TESTED OK. STILL NO NLG GREEN LIGHT INDICATION. CENTER LDU PULLED TO ACCESS WIRES FOR NLG LIGHT ASSY IAW AMM 34-22-99-4-0, ALL CONNERCTORS STILL CONNECTED. REPLACED CENTER LDU IAW MM 34-22-99-4-0. NOSE LIGHT OPS CHECKED NORMAL.