<p>The Federal Aviation Administration (FAA) told Boeing it has not completed the work needed in order to certify the 737 MAX 7 by December, according to a letter seen by Reuters.</p>.<p>Lirio Liu, the FAA's executive director of aviation safety, told Boeing in the Sept. 19 letter that the agency had concerns about the planemaker's submissions.</p>.<p>The FAA told the company to turn in all remaining System Safety Assessments (SSAs) by mid-September "if the company intends to meet its project plan of completing certification work (and receiving FAA approval for this aeroplane) by December."</p>.<p>The letter said as of Sept. 15, "just under 10% of the SSAs have been accepted by the FAA and another 70% of these documents are in various stages of review and revision."</p>.<p>Boeing faces a December deadline to win approval from the FAA for the 737 MAX 7 and 10 variants, or it must meet new modern cockpit-alerting requirements.</p>
<p>The Federal Aviation Administration (FAA) told Boeing it has not completed the work needed in order to certify the 737 MAX 7 by December, according to a letter seen by Reuters.</p>.<p>Lirio Liu, the FAA's executive director of aviation safety, told Boeing in the Sept. 19 letter that the agency had concerns about the planemaker's submissions.</p>.<p>The FAA told the company to turn in all remaining System Safety Assessments (SSAs) by mid-September "if the company intends to meet its project plan of completing certification work (and receiving FAA approval for this aeroplane) by December."</p>.<p>The letter said as of Sept. 15, "just under 10% of the SSAs have been accepted by the FAA and another 70% of these documents are in various stages of review and revision."</p>.<p>Boeing faces a December deadline to win approval from the FAA for the 737 MAX 7 and 10 variants, or it must meet new modern cockpit-alerting requirements.</p>