Reassembled hinge and secured to top cowl. Inserted grommets and studs in oil door. Engaged studs into receptacles and adjusted for proper closure. Removed pins from barrels and rotated barrels until locking clip locked barrels in place. Taped inserts back onto flanges, cutting out tape around cleco holes. Clecoed top cowl in place and tested oil door function; videotaped the process.