As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR LEVER JAMMED IN UP POSITION, WILL NOT GO TO OFF. GEAR & DOORS UP WITH ALL INDICATIONS NORMAL. OVERRIDE SWITCH OK TO CORRECT. FLIGHT DECLARED AN EMER & RETURNED WITHOUT FURTHER INCIDENT. LG EXTENDED WITH NORMAL & SAFE INDICATIONS. REPLACED LG CONTROL LEVER MODULE IAW MM 32-31-11. OPERATIONS CHECKED GOOD. EXTENSION & RETRACTION CHECKED GOOD IAW MM 32-32-00. THE ACFT WAS GNDED.