2025-09-07: Communications

1. The authority citation for part 39 continues to read as follows: Authority: 49 U.S.C. 106(g), 40113, 44701. 2. The FAA amends § 39.13 by adding the following new airworthiness directive: 2025-09-07 Airbus SAS: Amendment 39-23028; Docket No. FAA-2025-0745; Project Identifier MCAI-2025-00187-T. (a) Effective Date This airworthiness directive (AD) is effective May 15, 2025. (b) Affected ADs None. (c) Applicability This AD applies to Airbus SAS Model A330-243, -243F, -841, and -941 airplanes, certificated in any category, with the digital radio management panel (RMP) function installed by Airbus modification 207423. (d) Subject Air Transport Association (ATA) of America Code 23, Communications. (e) Unsafe Condition This AD was prompted by reports of loss of data synchronization between RMPs and the audio management unit (AMU). The FAA is issuing this AD to address loss of radio communication, uncommanded changes of transponder and traffic alert and collision avoidance system (TCAS) settings, and activation of standby navigation mode on all RMPs. This condition, if not corrected, could result in total loss of radio communication if RMP 3 is inoperative prior to dispatch, including loss of transponder functionality and standby navigation. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Airplane Flight Manual (AFM) Revision Within 7 days after the effective date of this AD, revise the Emergency Procedures section of the existing AFM to include the information in figure 1 to paragraph (g) of this AD. This may be done by inserting a copy of figure 1 to paragraph (g) of this AD into the existing AFM. Using a different document with information identical to that contained in figure 1 to paragraph (g) of this AD is acceptable for compliance with the requirements of this paragraph. Figure 1 to Paragraph (g)-AFM Procedure ER30AP25.053 (h) Minimum Equipment List (MEL) Revision Before further flight after accomplishing the requirements of paragraph (g) of this AD, revise the existing FAA-approved MEL to prohibit airplane dispatch (operation) with an inoperative RMP 3 under the MEL item equivalent to FAA master minimum equipment list (MMEL) 23-81-01. (i) Credit for Previous Actions (1) This paragraph provides credit for the AFM revision required by paragraph (g) of this AD, if the revision was performed before the effective date of this AD using Airbus A330/A340 Operations Engineering Bulletin (OEB) 58, issue 1.0, dated February 7, 2025. (2) This paragraph provides credit for the AFM revision required by paragraph (g) of this AD, if the revision was performed before the effective date of this AD using Airbus A330 Airplane Flight Manual Temporary Revision TR819, Issue 1, dated March 6, 2025. (j) Additional AD Provisions4 The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, AIR-520, Continued Operational Safety Branch, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. In accordance with 14 CFR 39.19, send your request to your principal inspector or responsible Flight Standards Office, as appropriate. If sending information directly to the manager of AIR-520, Continued Operational Safety Branch, FAA, send it to the attention of the person identified in paragraph (k)(1) of this AD and email to: [email protected]. Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the responsible Flight Standards Office. (2) Contacting the Manufacturer: For any requirement in this AD to obtain instructions from a manufacturer, the instructions must be accomplished using a method approved by the Manager, AIR-520, Continued Operational Safety Branch, FAA; or European Union Aviation Safety Agency (EASA); or Airbus SAS's EASA Design Organization Approval (DOA). If approved by the DOA, the approval must include the DOA-authorized signature. (k) Additional Information (1) For more information about this AD, contact James Clary, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 817-222-5138; email: [email protected]. (2) Material identified in this AD that is not incorporated by reference is available at Airbus SAS, Airworthiness Office-EAL, Rond-Point Emile Dewoitine No: 2, 31700 Blagnac Cedex, France; telephone +33 5 61 93 36 96; fax +33 5 61 93 45 80; email [email protected]; website airbus.com. (l) Material Incorporated by Reference None. Issued on April 25, 2025. Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service. [FR Doc. 2025-07453 Filed 4-25-25; 4:15 pm]BILLING CODE 4910-13-P