** Shares of aerospace supplier TransDigm Group TDG.N down 6% at $1,385

** TDG tops Q2 profit estimates on strong demand for aftermarket aero parts

** Q2 sales of $2.15 bln missed analysts' average expectation of $2.17 bln - data compiled by LSEG

** Q2 adjusted profit of $9.11 per share beat estimates of $8.95 per share

** TDG's co-chief operating officer, Mike Lisman, succeeds Kevin Stein as CEO

** 19 of 23 brokerages rate stock "buy" or higher and 4 "hold"; their median PT is $1,500 - LSEG data

** As of last close, stock up 16% YTD

(Reporting by Anshuman Tripathy)

((Anshuman.Tripathy@thomsonreuters.com))