As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LANDING WOULD NOT RETRACT AFTER TAKEOFF. ALL 3 GREEN & RED LIGHT ILLUMINATED WITH GEAR LEVER UP. ALL GEAR DOWN & LOCKED GREEN ONLY WITH GEAR LEVER DOWN. FOUND MANUAL EXTENSION ACCESS DOOR OPEN. DOOR POPS OPEN WHEN TRYING TO CLOSE. ADJUSTED DOOR SWITCH IAW MM 32-34-00-820-802. PERFORMED GEAR SWING, OPERATIONS CHECKED GOOD, DOOR SECURE.