As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING GEAR NOT UPLOCKED. LANDING SYSTEM DISAGREE, AIR TURNBACK. POST FLIGHT REPORT SHOWED 25GA NLG EXTENTION PROXIMITY SWITCH IAW TSM 32-31-00-810-842-A AND 32-31-00-810-868-A. REMOVED AND REPLACED PROXIMITY SWITCH 25GA AND ADJUSTED DIMENSIONAL CHECKS FOR 25GA AND 24GA. IAW AMM 32-31-73-820-006-A. NUMBERS 1 AND 2 LGCIU OPS CHECKED GOOD IAW AMM 32-69-00-740. OPS CHECK FLIGHT AND POST FLIGHT WALK AROUND PERFORMED AND FOUND SATISFACTORY. AIRCRAFT RELEASED FOR SERVICE.