As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STALL WARNING INDICATION FAILURE LIGHT ILLUMINATED AFTER FLAP RETRACTION ON TAKEOFF AND REMAINED ON AT SPEEDS UP TO 340 KTS. FLIGHT RETURNED TO DTW AND LANDED WITHOUT INCIDENT. DISCREPANCY COULD NOT BE DUPLICATED ON GROUND. REPLACED BOTH NR 1 AND NR 2 STALL WARNING COMPUTERS AS A PRECAUTION. AIRCRAFT RETURNED TO SERVICE.