April 29, 2019, © Leeham News: Boeing reduced the production rate on the 737 line in mid-April from 52/mo to 42/mo in response to the grounding of the airplane by regulators worldwide.
The company and others said they didn’t know how long the airplane would be grounded.
But Boeing told suppliers to keep producing parts, components and the fuselage at rate 52.
The announcement was made April 5. At the same time, Boeing gave suppliers the rate ramp-up schedule.
LNA attended the Aviation Week MRO Americas conference April 9-11 and learned Boeing already had a ramp-up plan in place;
According to the information LNA learned at the, this is the schedule for ramping back up:
Boeing originally planned to go to 57/mo in June or July.
Southwest, American, United airlines and Air Canada announced they removed their airplanes from the schedules through July and into early August. The Seattle Times reported late Friday the FAA could lift its grounding order by late May or early June. Pilot training and preparing the grounded MAXes to return to service could push EIS to August.
It’s unclear how soon global regulators will lift their grounding orders.