What was found
AFTER TAKEOFF, MLG WOULD NOT RETRACT. GEAR UNLOCKED LIGHT ILLUMINATED. A GROUND OBSERVATION PROVIDED THAT RT MLG WAS FULLY EXTENDED. JACKED ACFT, PREFORMED MLG RETRACTION SEVERAL CYCLES, NO FAULTS NOTED. PERFORMED MLG RETRACT PARALLELING CIRCUIT TEST WITH NO FAULTS NOTED. LT WING RING OUT OF RT LOG MLG UPLOCK SWITCH (G005). FOUND RETRACT OUT FOR GEAR CONTROL PCB TO HAVE 18-30 OHMS X CONTACTS WITH GEAR EXTENDED. COULD FLUCTUATE RESISTANCE (120 OHMS) BY SLIGHT MOVEMENT ON SWITCH PLUNGER. INSTALLED NEW RT UPLOCK SWITCH. ADJUSTED & SAFTIED IAW MM 32-31-05. PERFORMED MLG SWINGS, CHECKS GOOD. ALL INDICATIONS CHECK GOOD. ALL WORK DONE IAW MM 32-01-00.