WASHINGTON—The U.S. Federal Aviation Administration said on Friday it had found no safety issues after investigating allegations made against Blue Origin’s human spaceflight program. The FAA said in September it would review safety concerns raised by former Blue Origin employees. The FAA said on Friday it was closing its investigation after finding “no specific safety issues” and was taking no action against billionaire Jeff Bezos’ space company. Alexandra Abrams, former head of Blue Origin Employee Communications, and 20 other unnamed Blue Origin employees and former employees, said in an essay they had “seen a pattern of decision-making that often prioritizes execution speed and cost reduction over the appropriate resourcing to ensure quality.” A Blue Origin spokesperson did not immediately comment Friday but said in September Abrams “was dismissed for cause two years ago after repeated warnings for issues involving federal export control regulations.” Abrams told CBS News, which first reported …