AD 2025-23-08

This AD is effective December 2, 2025.

The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD as of December 2, 2025.

The FAA must receive comments on this AD by January 2, 2026.

You may send comments, using the procedures found in 14 CFR 11.43 and 11.45, by any of the following methods:

• Federal eRulemaking Portal: Go to regulations.gov. Follow the instructions for submitting comments.

• Fax: (202) 493-2251.

• Mail: U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE, Washington, DC 20590.

• Hand Delivery: Deliver to Mail address above between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.

AD Docket: You may examine the AD docket at regulations.gov under Docket No. FAA-2025-4001; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the mandatory continuing airworthiness information (MCAI), any comments received, and other information. The street address for Docket Operations is listed above.

Material Incorporated by Reference:

• For SMA Aero Engines GmbH material identified in this AD, contact SMA Aero Engines GmbH, AM Flugplatz, D-63329 Egelsbach, Germany; phone: +49 6103 4002 678; email: frederik.lehners@roeder.aero; website: info@roeder.aero.

• You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 901 Locust, Kansas City, MO 64106. For information on the availability of this material at the FAA, call (817) 222-5110. It is also available at regulations.gov under Docket No. FAA-2025-4001.

Joseph Catanzaro, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; phone: (516) 228-7366; email: joseph.catanzaro@faa.gov.

The FAA invites you to send any written data, views, or arguments about this final rule. Send your comments using a method listed under the ADDRESSES section. Include “Docket No. FAA-2025-4001; Project Identifier MCAI-2025-01627-A” at the beginning of your comments. The most helpful comments reference a specific portion of the final rule, explain the reason for any recommended change, and include supporting data. The FAA will consider all comments received by the closing date and may amend this final rule because of those comments.

Except for Confidential Business Information (CBI) as described in the following paragraph, and other information as described in 14 CFR 11.35, the FAA will post all comments received, without change, to regulations.gov, including any personal information you provide. The agency will also post a report summarizing each substantive verbal contact received about this final rule.

CBI is commercial or financial information that is both customarily and actually treated as private by its owner. Under the Freedom of Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public disclosure. If your comments responsive to this AD contain commercial or financial information that is customarily treated as private, that you actually treat as private, and that is relevant or responsive to this AD, it is important that you clearly designate the submitted comments as CBI. Please mark each page of your submission containing CBI as “PROPIN.” The FAA will treat such marked submissions as confidential under the FOIA, and they will not be placed in the public docket of this AD. Submissions containing CBI should be sent to Joseph Catanzaro, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590. Any commentary that the FAA receives which is not specifically designated as CBI will be placed in the public docket for this rulemaking.

The European Union Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Union, has issued EASA Emergency AD 2025-0230-E, dated October 21, 2025 (EASA Emergency AD 2025-0230-E) (also referred to as the MCAI), to correct an unsafe condition on Textron Aviation Inc. Model 182M, 182N, 182P, 182Q, 182R, all serial numbers, and (Reims-manufactured) F182P and F182Q airplanes, all serial numbers, if modified in accordance with EASA Supplemental Type Certificate (STC) 10013975 at Revision 15 or earlier, or (formerly) STC EASA.A.S.00774 (installation of Engine SMA SR305-230 or SR305-230E); and Model 182Q, 182R, all serial numbers, if modified in accordance with EASA STC 10016495 at Revision 1 or earlier, or (formerly) STC EASA.IM.A.S.02857, (installation of Engine SMA SR305-230/-230-1). The MCAI states that occurrences were reported of damaged intercooler air hoses. The MCAI also states that EASA Emergency AD 2025-0230-E is considered an interim action and further AD action may follow. This condition, if not detected and corrected, could result in a loss of manifold pressure and consequent loss of engine power, potentially leading to a forced landing, damage to the airplane, and injury to occupants.

You may examine the MCAI in the AD docket at regulations.gov under Docket No. FAA-2025-4001.

The FAA reviewed SMA Aero Engines GmbH Service Bulletin SB-C182-71-011, Revision No. 01, dated October 20, 2025, which specifies procedures for repetitive visual inspections of the intercooler inlet and outlet hoses for cracks and specifies replacement of any intercooler air hose found cracked. This material is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section.

These products have been approved by the civil aviation authority of another country and are approved for operation in the United States. Pursuant to the FAA's bilateral agreement with this State of Design Authority, that authority has notified the FAA of the unsafe condition described in the MCAI and material referenced above. The FAA is issuing this AD after determining that the unsafe condition described previously is likely to exist or develop on other products of the same type design.

This AD requires accomplishing the actions specified in the material already described.

The MCAI applies to certain Textron Aviation Inc. Model 182M, 182N, 182P, 182Q, 182R and (Reims-manufactured) F182P and F182Q airplanes. This AD does not apply to Models 182M, 182N,182P, and (Reims-manufactured) F182P and F182Q airplanes because EASA STC 10013975 is currently not validated in the United States.

The FAA considers that this AD is an interim action. If final action is later identified, the FAA might consider further rulemaking then.

Section 553(b) of the Administrative Procedure Act (APA) (5 U.S.C. 551 et seq.) authorizes agencies to dispense with notice and comment procedures for rules when the agency, for “good cause,” finds that those procedures are “impracticable, unnecessary, or contrary to the public interest.” Under this section, an agency, upon finding good cause, may issue a final rule without providing notice and seeking comment prior to issuance. Further, section 553(d) of the APA authorizes agencies to make rules effective in less than thirty days, upon a finding of good cause.

An unsafe condition exists that requires the immediate adoption of this AD without providing an opportunity for public comments prior to adoption. The FAA has found that the risk to the flying public justifies forgoing notice and comment prior to adoption of this rule because damaged intercooler inlet and outlet hoses could result in a loss of manifold pressure. The consequent loss of engine power could lead to a forced landing, damage to the airplane, and injury to occupants, and thus an inspection of these parts is required before further flight. In addition, most of the affected airplanes have already accumulated or are approaching 500 flight hours and thus the mandatory replacement is required either before further flight or within 50 flight hours of operation. These compliance times are shorter than the time necessary for the public to comment and for publication of the final rule. Accordingly, notice and opportunity for prior public comment are impracticable and contrary to the public interest pursuant to 5 U.S.C. 553(b).

In addition, the FAA finds that good cause exists pursuant to 5 U.S.C. 553(d) for making this amendment effective in less than 30 days, for the same reasons the FAA found good cause to forgo notice and comment.

The requirements of the Regulatory Flexibility Act (RFA) do not apply when an agency finds good cause pursuant to 5 U.S.C. 553 to adopt a rule without prior notice and comment. Because the FAA has determined that it has good cause to adopt this rule without prior notice and comment, RFA analysis is not required.

The FAA estimates that this AD affects 10 airplanes of U.S. registry.

The FAA estimates the following costs to comply with this AD:

Title 49 of the United States Code specifies the FAA's authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. Subtitle VII: Aviation Programs describes in more detail the scope of the Agency's authority.

The FAA is issuing this rulemaking under the authority described in Subtitle VII, Part A, Subpart III, Section 44701: General requirements. Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action.

This AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government.

For the reasons discussed above, I certify that this AD:

(1) Is not a “significant regulatory action” under Executive Order 12866, and

(2) Will not affect intrastate aviation in Alaska.

Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:

1. The authority citation for part 39 continues to read as follows:

2. The FAA amends § 39.13 by adding the following new airworthiness directive: