From FAA DRS. DRS record last changed December 6, 2025.
What it approves
Addition of filter to the cabin pressure limit control feature of P/N 103280 outflow valve. (727-223, -235, 225, -231, -227, -228, -284, -264, -295, -251)
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.