2025-12-02 Ipeco Holdings Limited: Amendment 39-23060; Docket No. FAA-2025-1101; Project Identifier MCAI-2025-00616-Q.

(a) Effective Date

     This airworthiness directive (AD) is effective June 30, 2025.

(b) Affected ADs

     None.

(c) Applicability

     (1) This AD applies to Ipeco Holdings Limited (Ipeco) pilot and co-pilot seats, identified by series part number in figure 1 to paragraph (c)(1) of this AD.

Pilot Seat                        Co-pilot Seat

3A063-0033-( )-( )         3A063-0034-( )-( )

3A063-0035-( )-( )         3A063-0036-( )-( )

3A063-0037-( )-( )         3A063-0038-( )-( )

3A063-0079-( )-( )         3A063-0080-( )-( )

3A063-0099-( )-( )         3A063-0100-( )-( )

     (2) These pilot and co-pilot seats are known to be installed on, but not limited to, ATR-GIE Avions de Transport Régional Model ATR42 and ATR72 airplanes.

(d) Subject

     Air Transport Association (ATA) of America Code 25, Equipment/furnishings.

(e) Reason

     This AD was prompted by reports of unexpected rearward movement of pilot and co-pilot seats during take-off and landing. The FAA is issuing this AD to address unexpected movement of pilot and co-pilot seats on takeoff and landing. The unsafe condition, if not addressed, could result in reduced control of the airplane, a rapid descent of the airplane, and serious injury to passengers and crew.

(f) Compliance

     Comply with this AD within the compliance times specified, unless already done.

(g) Inspection and Replacement of Stops and Packers

     (1) Within 3 months after the effective date of this AD, inspect all affected seats which have been modified by Ipeco Service Bulletin 063-25-15; Ipeco Service Bulletin 063-25-16; Ipeco Service Bulletin 063-25-17; or Ipeco Service Bulletin 063-25-18. Do the inspection in accordance with Part A of the Accomplishment Instructions of Ipeco Service Bulletin 063-25-20, Issue 1, dated March 25, 2025.

     (2) If, during the inspection as required by paragraph (g)(1) of this AD, correct installation of the stops and packers is found, before further flight, perform the operational tests, in accordance with Part C of the Accomplishment Instructions of Ipeco Service Bulletin 063-25-20, Issue 1, dated March 25, 2025.

     (3) If, during the inspection as required by paragraph (g)(1) of this AD, any incorrect installation of the stops or packers is found, before further flight, remove and install the stops and packers and perform operational tests, in accordance with Part B and Part C of the Accomplishment Instructions of Ipeco Service Bulletin 063-25-20, Issue 1, dated March 25, 2025.

(h) Special Flight Permits

     Special flight permits, as described in 14 CFR 21.197 and 21.199, are not allowed.

(i) Additional AD Provisions

     The following provisions also apply to this AD:

     (1) Alternative Methods of Compliance (AMOCs): The Manager, International Validation 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 the International Validation Branch, or the attention of the person identified in paragraph (j) of this AD, email to: AMOC@faa.gov. 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, International Validation Branch, FAA; or the UK CAA; or Ipeco Holdings Limited's UK CAA Alternative Procedures to Design Organization Approval (ADOA). If approved by the ADOA, the approval must include the ADOA-authorized signature.

(j) Additional Information

     For more information about this AD, contact Brenda Buitrago Perez, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-288-7368; email 9-AVS-AIR-BACO-COS@faa.gov.

(k) Material Incorporated by Reference

     (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the material listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.

     (2) You must use this material as applicable to do the actions required by this AD, unless this AD specifies otherwise.

     (i) Ipeco Service Bulletin 063-25-20, Issue 1, dated March 25, 2025.

     (ii) [Reserved]

     (3) For Ipeco material identified in this AD, contact Ipeco Holdings Limited, Aviation Way, Southend on Sea, SS2 6UN, United Kingdom; phone: +44 1702 545118; fax: +44 1702 540782; email: technicalsupport@ipeco.com.

     (4) You may view this material at the FAA, Airworthiness Products Section, Operational Safety Branch, 2200 South 216th St., Des Moines, WA. For information on the availability of this material at the FAA, call 206-231-3195.

     (5) You may view this material at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, visit www.archives.gov/federal-register/cfr/ibr-locations or email fr.inspection@nara.gov.