What was found
AT GEAR RETRACTION, THE LEFT GEAR DOWNLOCK INDICATION STAYED ILLUMINATED AFTER ALL THREE GEAR WERE UP & LOCKED. REMOVED FROM SERVICE. PERFORMED AN OPS CHECK OF LANDING GEAR PRIMARY EXTENSION & RETRACTION SYS IAW AMM 32-31-00-710-801. GEAR INDICATES NORMAL. INTERROGATED PSEU FLIGHT LEG HISTORY, FOUND MULTIPLE FAULTS ON ALL 3 GEAR & GEAR DOORS. NO PRESENT FAULTS. INDUCTANCE VALUES WITHIN LIMITS IAW AMM 32-61-00-280-801. REPLACED PSEU IAW AMM 32-61-01-000-801 AND 32-61-01-000-801. ALL OPS CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.