2023-23-02: Flight controls

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: 2023-23-02 MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.): Amendment 39-22604; Docket No. FAA-2023-1639; Project Identifier MCAI-2023-00109-T. (a) Effective Date This airworthiness directive (AD) is effective January 18, 2024. (b) Affected ADs None. (c) Applicability This AD applies to all MHI RJ Aviation ULC (Type Certificate previously held by Bombardier, Inc.) airplanes identified in paragraphs (c)(1) through (6) of this AD, certificated in any category. (1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes. (2) Model CL-600-2C10 (Regional Jet Series 700, 701, & 702) airplanes. (3) Model CL-600-2C11 (Regional Jet Series 550) airplanes. (4) Model CL-600-2D15 (Regional Jet Series 705) airplanes. (5) Model CL-600-2D24 (Regional Jet Series 900) airplanes. (6) Model CL-600-2E25 (Regional Jet Series 1000) airplanes. (d) Subject Air Transport Association (ATA) of America Code 27, Flight controls. (e) Reason This AD was prompted by reports of power control unit (PCU) rod end fractures due to pitting corrosion and a determination that new or more restrictive airworthiness limitations are necessary. The FAA is issuing this AD to address fractured PCU rod ends. This condition, if not addressed, could lead to a disconnect between the PCU and the elevator or rudder control surface, resulting in potential loss of the control surface function or inadequate flutter suppression. (f) Compliance Comply with this AD within the compliance times specified, unless already done. (g) Required Actions for Model CL-600-2B19 Airplanes For Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes: Within 60 days after the effective date of this AD, when returning an airplane from long-term storage (storage lasting more than 28 days), do the actions specified in paragraphs (g)(1) through (4) of this AD. Do all applicable corrective actions before further flight. (1) Accomplish an operational test and applicable corrective actions, in accordance with Task 27-21-00-710-805, Operational Test of the Rudder Control System, Subject 27-21-00, Rudder Control System, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (2) Accomplish an operational test and applicable corrective actions, in accordance with Task 27-31-00-710-803, Operational Test of the Elevator Control System, Subject 27-31-00, Elevator Control System, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (3) Accomplish a detailed inspection and applicable corrective actions, in accordance with Task 27-23-01-220-801, Detailed Inspection of the Rudder PCU Rod End Spherical Ball, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (4) Accomplish a detailed inspection and applicable corrective actions in accordance with Task 27-33-01-220-801, Detailed Inspection of the Elevator PCU Rod End Spherical Ball, Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (h) Required Actions for Model CL-600-2C10, CL-600-2C11, CL-600-2D15 and CL-600-2D24 Airplanes For Model CL-600-2C10 (Regional Jet Series 700, 701, & 702); CL-600-2C11 (Regional Jet Series 550); CL-600-2D15 (Regional Jet Series 705); and CL-600-2D24 (Regional Jet Series 900) airplanes: Accomplish the actions required by paragraphs (h)(1) through (3) of this AD, as applicable. (1) Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in MHI RJ Temporary Revisions ALI-0757 and ALI-0759, both dated September 24, 2021. The initial compliance time for doing the tasks is within 400 flight hours or 6 months, whichever occurs first after the effective date of this AD; or within 60 days after the effective date of this AD; whichever occurs latest. (2) Within 60 days after the effective date of this AD, when returning an airplane from short-term storage (storage lasting 28 days or less), do the actions specified in paragraphs (h)(2)(i) and (ii) of this AD. Do all applicable corrective actions before further flight. (i) Accomplish an operational test and applicable corrective actions, in accordance with Task 27-23-01-710-801, Operational Test of the Rudder PCU, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (ii) Accomplish an operational test and applicable corrective actions in accordance with Task 27-33-01-710-802, Operational Test of the Elevator Power-Control Units (PCUs), Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (3) Within 60 days after the effective date of this AD, when returning an airplane from long-term storage (storage lasting more than 28 days), do the actions specified in paragraphs (h)(3)(i) through (iv) of this AD. Do all applicable corrective actions before further flight. (i) Accomplish an operational test and applicable corrective actions, in accordance with Task 27-23-01-710-801, Operational Test of the Rudder PCU, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (ii) Accomplish an operational test and applicable corrective actions in accordance with Task 27-33-01-710-802, Operational Test of the Elevator Power-Control Units (PCUs), Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (iii) Accomplish a detailed inspection and applicable corrective actions in accordance with Task 27-23-01-220-802, Detailed Inspection of the Rudder PCU Rod End Spherical Ball, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (iv) Accomplish a detailed inspection and applicable corrective actions, in accordance with Task 27-33-01-220-801, Detailed Inspection of the Elevator PCU Rod End Spherical Ball, Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (i) Required Actions for Model CL-600-2E25 Airplanes For Model CL-600-2E25 (Regional Jet Series 1000) airplanes: Accomplish the actions specified in paragraphs (i)(1) through (3) of this AD, as applicable. (1) Within 60 days after the effective date of this AD, revise the existing maintenance or inspection program, as applicable, to incorporate the information specified in MHI RJ Temporary Revision ALI-0757, dated September 24, 2021. The initial compliance time for doing the tasks is within 400 flight hours or 6 months, whichever occurs first after the effective date of this AD; or within 60 days after the effective date of this AD; whichever occurs latest. (2) Within 60 days after the effective date of this AD, when returning an airplane from short-term storage (storage lasting 28 days or less): Accomplish an operational test and applicable corrective actions in accordance with Task 27-33-01-710-802, Operational Test of the Elevator Power-Control Units (PCUs), Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. Do all applicable corrective actions before further flight. (3) Within 60 days after the effective date of this AD, when returning an airplane from long-term storage (storage lasting more than 28 days), do the actions specified in paragraphs (i)(3)(i) and (ii) of this AD. Do all applicable corrective actions before further flight. (i) Accomplish an operational test and applicable corrective actions, in accordance with Task 27-33-01-710-802, Operational Test of the Elevator Power?Control Units (PCUs), Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (ii) Accomplish a detailed inspection and applicable corrective actions, in accordance with Task 27-33-01-220-801, Detailed Inspection of the Elevator PCU Rod End Spherical Ball, Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (j) No Alternative Actions or Intervals After the existing maintenance or inspection program has been revised as required by paragraphs (h)(1) and (i)(1) of this AD, no alternative actions ( e.g., inspections), or intervals may be used unless the actions, and intervals are approved as an alternative method of compliance (AMOC) in accordance with the procedures specified in paragraph (k)(1) of this AD. (k) Other FAA 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, International Validation Branch, mail it to the address identified in paragraph (k)(2) of this AD or email to: 9-AVS-AIR-730-AMOC@faa.gov. If mailing information, also submit information by email. 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 Transport Canada; or MHI RJ Aviation ULC's Transport Canada Design Approval Organization (DAO). If approved by the DAO, the approval must include the DAO-authorized signature. (l) Additional Information (1) Refer to Transport Canada AD CF-2023-03, dated January 20, 2023, for related information. This Transport Canada AD may be found in the AD docket at regulations.gov under Docket No. FAA-2023-1639. (2) For more information about this AD, contact Gabriel Kim, Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7300; email 9-avs-nyaco-cos@faa.gov. (m) Material Incorporated by Reference (1) The Director of the Federal Register approved the incorporation by reference (IBR) of the service information listed in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51. (2) You must use this service information as applicable to do the actions required by this AD, unless this AD specifies otherwise. (i) MHI RJ Temporary Revision ALI-0757, dated September 24, 2021. (ii) MHI RJ Temporary Revision ALI-0759, dated September 24, 2021. (iii) Task 27-21-00-710-805, Operational Test of the Rudder Control System, Subject 27-21-00, Rudder Control System, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (iv) Task 27-23-01-220-801, Detailed Inspection of the Rudder PCU Rod End Spherical Ball, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (v) Task 27-31-00-710-803, Operational Test of the Elevator Control System, Subject 27-31-00, Elevator Control System, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (vi) Task 27-33-01-220-801, Detailed Inspection of the Elevator PCU Rod End Spherical Ball, Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ200 Aircraft Maintenance Manual, CSP A-001, Revision 66, dated October 10, 2022. (vii) Task 27-23-01-220-802, Detailed Inspection of the Rudder PCU Rod End Spherical Ball, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (viii) Task 27-23-01-710-801, Operational Test of the Rudder PCU, Subject 27-23-01, Power Control Unit (PCU), Rudder, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (ix) Task 27-33-01-220-801, Detailed Inspection of the Elevator PCU Rod End Spherical Ball, Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (x) Task 27-33-01-710-802, Operational Test of the Elevator Power-Control Units (PCUs), Subject 27-33-01, Power Control Unit (PCU), Elevator, Chapter 27, Flight Controls, of MHI RJ CRJ700/900/1000 Aircraft Maintenance Manual, Part 2, CSP B-001, Revision 71, dated December 16, 2022. (3) For service information identified in this AD, contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des Grandes-Tourelles, Suite 110, Boisbriand, Québec J7H 0E2 Canada; North America toll-free telephone 833-990-7272 or direct-dial telephone 450-990-7272; fax 514-855-8501; email thd.crj@mhirj.com; website mhirj.com . (4) You may view this service information 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. Issued on December 5, 2023. Ross Landes, Deputy Director for Regulatory Operations, Compliance & Airworthiness Division, Aircraft Certification Service. [FR Doc. 2023-27427 Filed 12-13-23; 8:45 am]BILLING CODE 4910-13-P