FAA Orders Brake-Control Checks After Bombardier Tire Burst
Published Date: 7/30/2026
Rule
Summary
If you fly or work with Bombardier BD-700-1A10 or BD-700-1A11 planes, listen up! The FAA found a problem after a landing gear tire burst and now requires checking and replacing certain brake control units to keep everyone safe. This rule kicks in on September 3, 2026, so get ready to inspect and swap parts before then—safety first, and no surprise costs mentioned!
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
Mandatory BCU inspection and replacement
If you operate Bombardier Model BD-700-1A10 or BD-700-1A11 airplanes, you must inspect to see whether brake control unit (BCU) P/N GW415-7125-7 is installed and replace affected BCUs with BCU P/N GW415-7125-9. The rule also prohibits installing the affected BCU P/N GW415-7125-7 and is effective September 3, 2026.
FAA cost estimates for compliance and replacements
The FAA estimates the AD affects 42 U.S.-registered airplanes. The estimated cost for the required verification action is 2 work-hours × $85/hour = $170 per airplane (total $7,140 for U.S. operators), and on-condition replacement costs could be up to $430,259 per product (parts up to $430,089 plus $170 labor). The manufacturer may cover some or all costs under warranty.
Maintenance-records allowed instead of physical check
The FAA allows you to use a review of airplane maintenance records instead of a physical inspection to verify whether BCU P/N GW415-7125-7 is installed, as long as the part number can be conclusively determined from those records. This exception is specified in paragraph (h)(2) of the AD.
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