As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AT APPROXIMATELY 10 KTS THE ACC DOOR UNLOCK TAIL ANNUNCIATOR ILLUMINATED. AFTER RETURNING TO THE FBO VERIFIED ALL DOORS WERE IN THE CLOSED AND LOCKED POSITION. ADJUSTED BAGGAGE DOOR SWITCH IAW AMM 52-70-00. OPS CHKD GOOD