13+ hour, 42+ min ago  (350+ words) Estimated reading time 3 minutes, 34 seconds. Essential Turbines (ETI), a Rolls-Royce Authorized Maintenance Repair & Overhaul Center (AMROC), today announced the opening of its new Mesa, Arizona facility'a purpose-built MRO location that triples the company's U.S. capacity for M250 and RR300 turboshaft engines. The modern…...