What was found
AFTER TAKEOFF, AFTER SELECTING GEAR UP, OBSERVED LOUD BANGING NOISE, RH MLG SHOWED GEAR UP AND IN TRANSIT INTERMITENTLY. AFTER 3500 FT, INDICATIONS AND OPERATIONS NORMAL. MX PERFORMED EXENSION AND RETRACTION SYSTEM OPS CHECK IAW AMM 32-30-00-700-801-A. NO FAULTS FOUND. PERFORMED PROXIMITY SWITCHES FUNCTIONAL CHECK WITH THE BREAK OUT BOX IAW AMM 32-13-05 OPTS CHECK GOOD.