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2021-0009R1 : Air - Modulated Air System Control Valves - Lock-Out / Deactivation

Number 2021-0009R1
Issued by Europe  Europe
Issue date 2023-08-18
Effective date 2023-08-25
EASA approval number
ATA Chapter 75
Approval Holder
/ Type Designation
  • ROLLS-ROYCE DEUTSCHLAND Ltd & Co KG
    • TRENT 1000
      • Trent 1000-AE3
      • Trent 1000-CE3
      • Trent 1000-D3
      • Trent 1000-G3
      • Trent 1000-H3
      • Trent 1000-J3
      • Trent 1000-K3
      • Trent 1000-L3
      • Trent 1000-M3
      • Trent 1000-N3
      • Trent 1000-P3
      • Trent 1000-Q3
      • Trent 1000-R3
Revision This AD revises EASA AD 2021-0009 dated 08 January 2021.
Correction Not applicable
Supersedure None
Publication(s) and related information Rolls-Royce Alert NMSB TRENT 1000 75-AK642 original issue dated 30 November 2020, or Revision 1 dated 14 July 2023. Rolls-Royce SB TRENT 1000 75-K778 original issue dated 18 May 2023. The use of later approved revisions of the above-mentioned documents is acceptable for compliance with the requirements of this AD.
PAD number 20-197
Remarks 1. If requested and appropriately substantiated, EASA can approve Alternative Methods of Compliance for this AD. 2. The original issue of this AD was posted on 11 December 2020 as PAD 20-197 for consultation until 25 December 2020. This revised AD was posted as PAD 23-089 for consultation until 11 August 2023. The Comment Response Documents can be found in the EASA Safety Publications Tool, in the compressed (zipped) file attached to the record for that AD. 3. Enquiries regarding this AD should be referred to the EASA Safety Information Section, Certification Directorate. E-mail: ADs[at]easa.europa.eu. 4. Information about any failures, malfunctions, defects or other occurrences, which may be similar to the unsafe condition addressed by this AD, and which may occur, or have occurred on a product, part or appliance not affected by this AD, can be reported to the EU aviation safety reporting system. This may include reporting on the same or similar components, other than those covered by the design to which this AD applies, if the same unsafe condition can exist or may develop on an aircraft with those components installed. Such components may be installed under an FAA Parts Manufacturer Approval (PMA), Supplemental Type Certificate (STC) or other modification.