Triumph Air Repair offers full service support to commercial and military operators of GTCP131, GTCP331, GTCP660, GTCP85, TSCP700, PW901A APU’s and related accessories. We provide certified state-of-the-art accessory test facilities with full diagnostic capabilities. Triumph Air Repair can repair and test starters, fuel controls, load control valves and many other accessories to OEM manual specifications.