As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT THE LANDING GEAR UNLOCK LIGHT ILLUMINATED SEVERAL TIME IN QUICK SECESSION ACCOMPANIED BY A LOUD THUMPING SOUND. COMPLIED WITH NJA GEAR BUMP CHECKLIST. FOUND NOSE GEAR MANUAL RELEASE OUT OF RIG. RIGGED NOSE GEAR MANUAL RELEASE CABLE IN ACCORDANCE WITH NJA GEAR BUMP CHECKLIST 6/20