As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND DURING L/O CHECK WHILE LOOKING IN TAIL COMPARTMENT FOUND CABLE FREE FOR TAIL CONE DEPLOYMENT SYSTEM WITH NO LIGHT INDICATION IN COCKPIT OF TAIL CONE DEPLOYMENT. FOUND SWITCH S1-537 NOT ACTUATING / COMPLETING CIRCUIT. REPLACED SWITCH PER M/M, NOW LIGHT ILLUMINATES NORMALLY.