As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 2976 - DID AN AIR TURNBACK DUE TO CONFIGURATION WARNING LIGHT ILLUMINATED AFTER TAKEOFF FROM DTW. WHEN THE CONDITION LEVERS BROUGHT BACK TO MAX THE LIGHT WENT OUT. MAINTENANCE SERVICED LEFT MAIN LANDING GEAR STRUT FLUID. PERFORMED ALL CHECKS. ALL CHECKS GOOD. (M)