As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 563 - AFTER TAKEOFF LEFT MAIN GEAR UNSAFE LIGHT REMAINED ON/RED FOR ONE MINUTE AFTER ALL OTHER LANDING GEAR LIGHTS OUT. AS SLOWED TO 230 KIAS FOR QRH PROCEDURE LIGHT WENT OUT AND REMAINED OUT FOR REMAINDER OF FLIGHT. FOUND WIRE CONDUIT FROM GEAR UPLATCH SENSOR ARM IN THE PATH SLIGHTLY OF THE GEAR SWING MOTION. REPOSITIONED CONDUIT AND GEAR SWING PATH IS GOOD. (M)