As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPT STICK SHAKER ACTIVATED ON ROTATION. SHAKER SPEED WAS ABNORMALLY SLOW, ABOUT 1/3 NORMAL RATE DURING TEST. SHAKER CONTINUED FOR APPROX 3 MINUTES AND SLOWED GRADUALLY UNTIL IT STOPPED. AIRCRAFT FLEW NORMALLY. REMOVED AND REPLACED NR 1 STALL WARNING COMPUTER. OPS CKS NORMAL PER AMM34-18-000-5.