As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO NOSE GEAR DOOR OPEN INDICATION AFTER GEAR RETRACTION. FLIGHT CREW ADVISED, ACTUAL DOOR OPEN FAULT AND NOT INDICATION. AFTER ARRIVAL, MX INSPECTED AND FOUND FWD DOOR SEAL PARTIALLY OUT OF RETAINER. UPON MORE DETAILED INSPECTION AND MULTIPLE OPS CHKS. MX WAS ABLE TO REPRODUCE FAULT ON GROUND. FOUND PROX SWITCH TARGET BRACKET BENT AND SHIMS FROM RIGHT NOSE DOOR CATCHING THE SEAL. REPAIRED DAMAGE AS PER XEO 53-090507.