Boeing 787s Scrutinize Turbine Fittings for Alloy Errors
Published Date: 1/16/2026
Rule
Summary
The FAA is making sure certain Boeing 787-9 and 787-10 planes are super safe by checking if a key part, the ram air turbine forward fitting, is made from the right titanium alloy. Starting February 20, 2026, airlines must inspect this part using special tools and fix any problems found. This keeps flights safe without causing big delays or costs.
Analyzed Economic Effects
3 provisions identified: 1 benefits, 2 costs, 0 mixed.
Required safety inspections for 787-9/10
If you fly on Boeing Model 787-9 or 787-10 airplanes, the FAA requires operators to inspect the ram air turbine (RAT) forward fitting to confirm the titanium alloy starting February 20, 2026. The inspection must use a high frequency eddy current (HFEC) or a handheld X-ray fluorescence (XRF) spectrometer, and fixes must be done if the part is incorrect to prevent loss of backup hydraulic or electrical power or the RAT module departing the airplane.
Potential replacement and repair costs
If inspections find incorrect material, on-condition actions include open-hole HFEC inspections and replacing any RAT forward fitting not made from the correct alloy; the FAA estimates a replacement could cost $30,515 per product (labor $255 + parts $30,260). The FAA notes it cannot predict how many aircraft will need replacement and that some or all costs may be covered under warranty by the manufacturer.
Inspection cost for U.S. operators
U.S. operators must pay for an inspection estimated at 3 work-hours per airplane (3 x $85/hour = $255) using HFEC or handheld XRF. The FAA estimates this AD affects 9 U.S.-registered airplanes, for an estimated total inspection cost to U.S. operators of $2,295.
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