As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACCESSORY DOOR WARNING LIGHT ILLUMINATED AFTER TAKEOFF FROM SAT .CREW RETURN THE AIRCRAFT TO BASE. MAINTENANCE INSPECTED ACCESSORY DOOR INDICATING SYSTEM FOUND BROKEN WIRE AT AFT TAIL CONE ACCESS DOOR WARNING SWITCH. REPAIRED WIRE AT SWITCH PERFORMED OPERATION CHECK OF DOOR WARNING SYSTEM ALL CHECKS GOOD . ALL WORK WAS PERFORMED PER CURRENT CESSNA 650 AMM 52-70-00 AND WIRING MANUAL 20-10-01