As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 3410 - ON CLIMB-OUT, THE GROUND SPOILER ADVISORY LIGHT ILLUMINATED. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE WAS UNABLE TO DUPLICATE THE DISCREPANCY. THE LEFT INBOARD AND OUTBOARD GROUND SPOILER TARGETS WERE REPLACED AS A PRECAUTION. ALL SYSTEMS OPERATED SATISFACTORILY. (M)