What was found
(CAN) CREW HAD TROUBLE GETTING RIGHT MLG TO EXTEND USING EITHER NORMAL OR EMERGENCY SYSTEM. AFTER RESETTING THEY GOT IT TO EXTEND WITH NORMAL SYSTEM. INVESTIGATION FOUND THAT THE RIGHT HAND OUTBOARD GEAR DOOR WOULD HANG UP ON THE NACELLE. THE GEAR DOOR WAS REWORKED TO PROVIDE THE NECESSARY CLEARANCE. IN ADDITION, A CRACKED DOOR ACTUATING SHAFT P/N 2755001009, WAS REPLACED. AIRCRAFT RECENTLY IMPORTED. AD 90-05-06R1 WAS APPARENTLY COMPLETED. SUBMITTER BELIEVES DOOR MAY HAVE BEEN BENT BY GROUND HANDLING ACCIDENT.