What was found
AFTER GEAR UP SELECTION, RT MAIN GEAR RED LIGHT REMAINED ON. COMPLIED WITH EMERGENCY CHECKLIST, CYCLED GEAR AND GEAR RETRACTED NORMALLY, NO ABNORMAL INDICATIONS. AIRCRAFT FERRIED TO PDX. UPLOCK ROLLER ADJUSTED IAW MAINT MANUAL, GEAR SWING ACCOMPLISHED AND LIGHT CHECKED NORMAL WITH AND WITHOUT PRESSURE.