As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FALSE STALL WARNING DURING FLT. WITH CAPTAIN`S, FST/SLO INDICATION. BOTTOMED OUT AND BOTH STICK SHAKERS ACTIVATED. RETURNED TO FIELD. COMPLIED WITH APPENDIX 1 27-2. SYS. 2 OPS OK. INSTALLED A NEW NR 1 STALL WARNING COMPUTER. OPERATED SYSTEM, OPS CHECKED GOOD.