** Shares of aircraft parts maker TransDigm Group TDG.N rise 4.8% to $1,205.20 in premarket trading
** Co lifts 2026 adj. EPS forecast to between $38.83 and $40.21 from $37.42 to $39.34 earlier
** Says it saw double-digit growth across its commercial transport and original equipment manufacturer segments
** Reports Q2 adj. EPS of $9.85 vs analysts' estimates of $9.43 per share - data compiled by LSEG
** Q2 revenue at $2.54 bln vs $2.15 bln a year earlier
** As of last close, shares were down about 13.6% YTD
(Reporting by Parth Chandna)
((Parth.Chandna@thomsonreuters.com;))