FAA Issues Directives for Regional Jet Gear Inspections
Published Date: 7/1/2025
Rule
Summary
The FAA is making new rules for certain MHI RJ Aviation regional jets because a warning showed up about worn parts in the plane’s stabilizer system. Pilots and maintenance crews must check and replace these worn parts to keep flights safe. These changes need to happen soon to avoid any safety risks and keep the planes flying smoothly.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 0 costs, 2 mixed.
Mandatory inspection and replacement
Operators and maintenance crews must inspect the rubber bull gear (RBG) wheel part numbers and do on-condition replacement of affected RBG wheels in the horizontal stabilizer trim actuator (HSTA) on these models: CL-600-2C10 (Regional Jet Series 700, 701, & 702), CL-600-2C11 (Series 550), CL-600-2D15 (Series 705), CL-600-2D24 (Series 900), and CL-600-2E25 (Series 1000). The rule was issued after a STAB TRIM caution and a repair found prematurely worn teeth on an RBG wheel. This AD requires these inspections and replacements to address the unsafe condition and keep the airplanes airworthy.
Prohibition on installing affected parts
The AD prohibits installing affected RBG wheels under certain conditions on the same listed MHI RJ models. This means operators and maintenance shops cannot put the specified worn or otherwise-affected RBG wheels back into service when the prohibition applies.
Your PRIA Score
Personalized for You
How does this regulation affect your finances?
Sign up for a PRIA Policy Scan to see your personalized alignment score for this federal register document and every other regulation we track. We analyze your financial profile against policy provisions to show you exactly what matters to your wallet.
Key Dates
Department and Agencies
Related Federal Register Documents
2026-08943 — Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility
The FAA is proposing new rules to keep drones away from certain important fixed sites like power plants or airports to keep everyone safe and secure. If you own or operate one of these sites, you can request a drone flight restriction zone to protect your property and people nearby. Comments are open until July 6, 2026, and these changes could affect drone pilots and site operators, but no big costs are expected.
2026-10047 — Airworthiness Directives; Airbus SAS Airplanes
The FAA wants all Airbus A330-841 and A330-941 airplanes to get regular checks for cracks on certain wing parts to keep flights safe. If cracks are found, fixes must be done right away. Comments on this plan are open until July 6, 2026, and these inspections might cost airlines some time and money but will help prevent bigger problems.
2026-10076 — Airworthiness Directives; Rolls-Royce Deutschland Ltd & Co KG Engines
The FAA wants to make sure Rolls-Royce Trent7000-72 and Trent7000-72C engines stay safe by stopping certain lubrication pumps from being installed unless they meet new rules. This comes after some engines shut down mid-flight because parts failed too soon. If you own or work with these engines, you’ll need to follow these new rules soon, but no big costs are expected.
2026-09953 — Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Experimental Aircraft: Letters of Deviation Authority (LODA)
The FAA is renewing its approval to collect info from pilots who want special permission to give paid flight lessons in experimental aircraft. This helps make sure these lessons are safe. If you’re involved, you can comment by June 18, 2026, and there’s no new cost—just the usual paperwork.
2026-09972 — Agency Information Collection Activities; Proposals, Submissions, and Approvals: Mitsubishi MU-2B Series Airplane Training Requirements
The FAA is renewing its paperwork rules for pilots flying the Mitsubishi MU-2B airplane to make sure they get special training and follow safety steps. This affects MU-2B pilots who must keep records proving they completed the required training. Comments on this plan are open until June 18, 2026, and the goal is to keep flying safer without adding extra hassle or costs.
2026-09971 — Notice of Draft FAA Order 5100-38E, Airport Improvement Program Handbook
The FAA is updating its Airport Improvement Program Handbook to reflect new laws and policies since 2017. This affects airports, states, and contractors who rely on federal funding for airport projects. You can review the draft and share your thoughts by August 17, 2026, so the FAA can finalize the new guide and keep airport funding running smoothly.
Previous / Next Documents
Previous: 2025-12244 — Airworthiness Directives; Embraer S.A. Airplanes
If you fly an Embraer EMB-545 or EMB-550, listen up! The FAA found a problem with the main door lock sensor that could jam, so they’re making sure these sensors get tested and oiled regularly to keep everyone safe. You’ll need to start these checks before August 5, 2025, so plan ahead—this keeps your plane flying smoothly without surprise costs.
Next: 2025-12247 — Extension of the Prohibition Against Certain Flights in the Kabul Flight Information Region (FIR) (OAKX)
The FAA is extending the ban on certain flights in the Kabul airspace for another three years, from July 25, 2025, to July 25, 2028. This affects U.S. airlines, pilots with FAA certificates, and operators of U.S.-registered planes, unless they're flying for foreign carriers. The move keeps everyone safer by avoiding risky flights in that region.