AD 2020-02-15: Oxygen

This AD applies to the following Bombardier, Inc., airplanes, certificated in any category. (1) Model BD-700-1A10, serial numbers 9002, 9006 through 9010 inclusive, 9012, 9016, 9018 through 9023 inclusive, 9029 through 9031 inclusive, 9033, 9035 through 9037 inclusive, 9039 through 9048 inclusive, 9058, 9059, 9061, 9063, 9066 through 9068 inclusive, 9070, 9071, 9073 through 9075 inclusive, 9078, 9085, 9090, 9092, 9093, 9097, 9105, 9106, 9108, 9112, 9121, 9122, 9124, 9137, 9139, 9143, 9145, 9153, 9167, 9177, 9181, 9183, 9185, 9187, 9191, 9203, 9205, 9210, 9223, 9234, 9236, 9244, 9250, 9264, 9270, 9272, 9283, 9286, 9294, 9304, 9312, 9314, 9326, 9333, 9364, 9368, 9378, 9381, 9388, 9407, 9419, 9438, 9460, 9470, 9475, 9478, 9479, 9481, 9484, 9485, 9499, 9524, 9529, 9530, 9533, 9538, 9551, 9553, 9568, 9598, 9615, 9624, 9632, 9638, 9640, 9641, 9648, 9657, 9670, 9680, 9682, 9689, 9700, 9706, 9723, 9726, 9730, 9731, 9745, 9752, 9753, 9757, 9759, 9773, 9775, 9804, 9814, 9816, and 9817. (2) Model BD-700-1A11, serial numbers 9176, 9178, 9182, 9207, 9212, 9216, 9217, 9227, 9255, 9285, 9376, 9389, 9401, 9427, 9480, 9483, 9498, 9513, 9531, 9536, 9555, 9558, 9569, 9581, 9589, 9592, 9597, 9613…