If you want full access to all our reports, data and investing ideas, join The Aerospace Forum , the #1 aerospace, defense and airline investment research service on Seeking Alpha, with access to evoX Data Analytics, our in-house developed data analytics platform.In August, I downgraded Triumph Group (NYSE: TGI ) from buy to hold . That was not necessarily because I do not like the business, but driven by a slower than anticipated ramp up in OEM production rates, I considered theDhierin runs the investing g ...