What was found
BLI FLIGHT NR 2488: AFTER GEAR UP SELECTION, LT MLG YELLOW AND RED GEAR INDICATION CAUTION AND WARNING LIGHTS AND YELLOW GEAR HANDLE REMAINED ILLUMINATED. AFTER 3 MINUTES IN MODERATE TURBULENCE, ALL GEAR LIGHTS EXTINGUISHED. GEAR EXTENDED NORMALLY ON LANDING WITH GEAR EXTENSION WITH GOOD GEAR DOWN AND LOCKED INDICATION. MAINTENANCE REMOVED NR 4 MLG RETRACT ACTUATOR IAW Q400 AMM 32-31-11-000-801. ADJUSTED RETRACT ACTUATOR ROD END IAW GOODRICH LANDING GEAR CMM REF 32-31-06, PG 403, PARA C. ADJUSTED ROD END DIMENSION USING QX TOOL, P/N QXT 632439-101 S/N QXT1893. REINSTALLED THE SAME RETRACT ACTUATOR IAW AMM TASK 32-31-06-400-801. OPS CHECK GOOD. NO PARTS REPLACED. AIRCRAFT RETURNED TO SERVICE.