What was found
FLT 3344 - IN FLIGHT, GEAR DOWN LOCK RELEASE WAS USED IN ORDER TO GET THE GEAR UP. MOMENTS LATER CWP ILLUMINATED THE CONFIGURATION, ICE PROTECTION, OAT AND ANTI-SKID LIGHTS. FLIGHT RETURNED TO DTW. MAINTENANCE INSTALLED LEFT INBOARD MAIN LANDING GEAR WOW HARNESS. ALL CHECKS GOOD. (M)