Pratt & Whitney expects to begin delivering PW1900G geared turbofans with more durable Combustor C packages to Embraer after E190-E2 launch customer Wideroe takes the first three examples of its 114-seat configured narrowbodies fitted with the current Combustor B configuration. Speaking with AIN after the April 4 delivery ceremonies for the first E190-E2 at Embraer’s main production plant in São Jose dos Campos, Brazil, Pratt & Whitney vice president of commercial engine programs Graham Webb said that the company continues to work on the software associated with the new combustors, and that once it completes the job—likely in September—mechanics will remove the engines from the three aircraft and install engines fitted with Combustor C in October.

The engine company will do the same for all in-service Bombardier C Series airplanes, whose PW1500Gs closely resemble the engines in the Embraer E-Jets and Mitsubishi MRJ.

Pratt has amassed a lot of experience swapping engines lately, following its well-publicized trials with the PW1100Gs in the Airbus A320neo. Thankfully for Embraer and Bombardier, their engines haven’t seen the kind of problems Airbus and its customers have reported, starting with excessive rotor-bowing and, more recently, faulty knife-edge seals in the high-pressure compressor. Other problems have involved the engines’ number-three bearing oil seal and the same premature combustor-lining degradation seen in the C Series and E190-E2 engines.

Speaking just ahead of the delivery ceremony in São Jose dos Campos, E-Jet program director Fernando Antonio Oliveira expressed satisfaction with Pratt & Whitney’s level of responsiveness and praised the engine for its performance and fuel consumption rates.

“We have the benefit of being the third in line,” said Oliveira. “Our engines will have all the solutions incorporated for what they identified on the A320neo and the C Series. We follow [Pratt & Whitney’s progress] very closely and from my perspective I see Pratt putting in a lot of effort to improve.”