As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER GEAR RETRACTION ON TAKEOFF, RED GEAR UNSAFE LIGHT REMAINED ON. HYD PRESSURE LIGHT BEGAN FLASHING. PUT GEAR BACK DOWN USING THE NORMAL EXTENSION PROCEDURE. HYD PRESSURE & GEAR UNSAFE LIGHTS BOTH EXTINGUISHED. EXECUTED A NORMAL LANDING. HYD RESERVOIR WAS FULL ON BOTH PREFLIGHT & POST FLIGHT. FOUND THE LT MAIN GEAR UPLOCK SWITCH TANG TO BE SHEARED. REMOVED DAMAGED SWITCH AND INSTALLED A NEW SWITCH . PERFORMED MULTIPLE GEAR SWINGS AND SYSTEM OPS CHECKED GOOD. DONE IAW MM 32-30-05.