As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GNDED. EMER DECLARED, LANDING UNEVENTFUL & ACFT NOT OVERWEIGHT. CREW REPORTED TAIL CONE LIGHT ON JUST AFTER TAKEOFF. FOUND SLACK IN TAIL CONE RIGGING. RE-INSERTED BALL END OF LOCKING CABLE IN LOCKING CABLE RETAINING HOLE IN SUPPORT. CABLE TENSION IS GOOD. TAIL CONE LIGHT IS OUT.