Under intense political pressure, Boeing on Monday withdrew its request for an exemption from key safety regulations to allow the 737 Max 7 to be certified to carry passengers. “We have informed the FAA that we are withdrawing our request for a time-limited exemption relating to the engine inlet de-icing system on the 737-7,” Boeing said in a statement. “We will instead incorporate an engineering solution that will be completed during the certification process.” This means entry into passenger service of the Max 7, the smallest model of the Max family, will be significantly delayed until Boein…