As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN RETRACTING LANDING GEAR, (GEAR UNLOCKED) LIGHT STAYED ILLUMINATED ON CLIMB-OUT. INSPECTED LANDING GEAR AND PERFORMED FUNCTIONAL HYDRAULIC TEST ON JACKS. (GEAR UNLOCKED) LIGHT STAYED ILLUMINATED ON FIRST RETRACTION. TIGHTENED BACKSHELL ON LT UPLOCK SWITCH AND LUBRICATED ROLLERS. ALL SUBSEQUENT RETRACTION CYCLES OPERATED NORMALLY.