What was found
SDF - FLT NR 846 - AFTER TAKEOFF, RIGHT MAIN RED GEAR LIGHT REMAINED ILLUMINATED. FOLLOWED ABNORMAL PROCEDURE 1-312-5 OF PHB AND RECYCLED GEAR. AFTER RECYCLE ALL RED AND AMBER LIGHTS STAYED ON ALONG WITH GREEN LIGHTS. THEN FOLLOWED ABNORMAL PROCEDURE 1-312-4 AF PHB AND CYCLED GEAR DOWN AND UP. RED RIGHT GEAR STAYED ON. FOLLOWED PROCEDURE 1-312-5 AGAIN, NO HELP. RETURNED TO SDF, LANDING NORM. FOUND RIGHT MLG DOOR NOT CLOSING PROPERLY. ADJUSTED DOOR ACTUATOR. AFT AND LANDING GEAR OPERATED NORMAL. ALL INDICATIONS NORMAL PER M/M. AIRCRAFT OK FOR SERVICE. (M)