In January the test aircraft were updated and did not fly. But after that the GTF engine fleet started to build hours. In May only the CFM powered aircraft flew while the P&W aircraft had a manufacturing issue to resolve.
We understand the P&W issue was a manufacturing item that was found during flight tests. Damage was found during a borescope inspection. A small part below the combustion chamber, which holds a seal, disengaged. P&W is addressing this by switching out this part. P&W is confident that flight tests will resume in the coming weeks and the program is still on track for EIS in 4Q15.