As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING GEAR EXTENSION , DID NOT ACHIEVE A GREEN( LOCKED INDICATION) ON THE RIGHT MAIN GEAR. RAN THE GEAR WILL NOT EXTEND CHECKLIST. GEAR WAS DOWN BUT NOT LOCKED. ACHIEVED A GREEN LIGHT AS RESULT OF CHECKLIST. JACK A/C DEPLETED NITROGEN IN LANDING GEAR, LUBE AND INSPECTED RT MAIN GEAR, SERVICED EMERGENCY NITROGEN BOTTLE, RAN GEAR 10X AND MORE OPS AND LEAK CHECK GOOD ALL WORK DONE IAW CE560 M/M 32-30-00.