As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)WHILE ATTEMPTING TO INSTALL KIT ON LH LANDING GEAR DOOR ACTUATOR, PARTS DID NOT FIT AS PER THE SB. THIS MISFIT RESTRICTED THE WIDTH OF THE OPENING TO APPROXIMATELY HALF OF REQUIRED 0.78 INCH; THUS NOT ALLOWING GEAR DOOR ROLLER BEARING ENTRANCE AND COULD LEAD TO FAILURE OF GEAR TO RETRACT. COMPANY CONTACTED (FAIRCHILD).