What was found
THE LANDING GEAR HANDLE WOULD NOT MOVE AFTER TAKE-OFF. TROUBLESHOT TO NOSE LANDING GEAR. WITH NOSE SIMULATOR INSTALLED AND BOTH MAIN GEAR WITH WEDGES, THE GEAR SOLENOID TRIPS. JACKED NOSE LANDING GEAR. NOTICED THAT FLUID LEAKING OUT LOWER STRUT AFTER JACKING FOUND THAT WITH TIRES OFF GROUND. HAD TO PUSH ON THE TIRE TO EXTEND THE STRUT, STRUT REQUIRES REPACKING. REMOVED AND REPLACED UPR AND LOWER BARRELS IAW CMM CHAPTER 32-20-02. OPS CHECK GOOD.