Pratt & Whitney (P&W) cut its 2016 delivery target for the PW1000G geared turbofan engine from 200 to 150 due to supply delays of fan blades.

The delivery target cut was confirmed by Greg Hayes, the CEO of United Technologies, P&W’s parent company, during an investors’ conference in Laguna Beach, California.

Previously, Bombardier, one of main P&W customers, announced the delays of its PW1500-powered C Series due to the same reason. Bombardier revised its delivery target from 15 to seven aircraft for 2016.

Bombardier announced that it is forced to cut the deliveries of its C Series airplanes in 2016 due to continuing delays from Pratt & Whitney (P&W), which produces the engines. The company has adjusted the C Series delivery forecast from 15 to 7 aircraft.

The engine delivery delays may also affect the production of Airbus A320neo, which is powered by PW1100G. However, Airbus has not adjusted its delivery target for the A320 family.

P&W is reported to have invested around $10 billion over the past two decades for the engine’s R&D. The engine maker claims that the newly-developed engine offers a reduction in fuel use, emissions and noise, compared to the previous model.

The PW1000G consists of 800 parts, and five of them have now been affected by supply delays. P&W requires around 60 days to produce the fan blades because of their complexity. The company now tries to shorten the production to 30 days.

P&W is not the main player in the narrow-body aircraft engine market, as it competes with General Electric in the global market.

At the moment, P&W engines are offered to Airbus, Bombardier and Embraer.