As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AFTER TAKEOFF GEAR SELECTED UP RT GEAR DID NOT COME UP. GEAR SELECTED DOWN, (3) GREEN INDICATIONS OBSERVED AC LANDED. AC BROUGHT INTO HANGER AND PUT ON JACKS RT MLG ACTUATOR REMOVED. FOUND THAT NUT, ACTUATOR P/N 115-810029-24 HAD NO TREADS IN IT. PART SENT OUT FOR TEARDOWN REPORT (TC NR 20070911008)