What was found
PDIS 575 32-30 9359 14NOV20 MEM OPEN. UPON GEAR RETRACTION RIGHT MAIN GEAR PRIMARY AND SECONDARY INDICATED RED UNSAFE CONDITIONS. GEAR WAS CYCLED AND QRH WAS REFERENCED. AIR TURN BACK WAS ACCOMPLISHED. DURING OPS TEST FOUND R MLG INDICATION UNSAFE HARD FAULT, ALSO FOUND GAP BETWEEN LATCH ROLLER AND HOOK AT R/H MLG BELOW LIMITS, ADDED SHIMS TO ADJUST GAP LIMITS REF MD-11 AMM 32-34-05-5, OPS CHECK GOOD.