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  Safety Publications Tool

2023-0078R1 : Electrical Power – Direct Current Emergency Electrical Network – Tests / Modification; Aircraft Flight Manual / Master Minimum Equipment List – Amendment

Number 2023-0078R1
Issued by Europe  Europe
Issue date 2023-04-20
Effective date 2023-04-26
EASA approval number
ATA Chapter 24
Approval Holder
/ Type Designation
  • ATR
    • ATR42
      • 400
      • 500
    • ATR72
      • 101
      • 102
      • 201
      • 202
      • 211
      • 212
      • 212A
Revision This AD revises EASA AD 2023-0078 dated 12 April 2023.
Correction Not applicable
Supersedure The original issue of this AD supersedes EASA Emergency AD 2021-0120-E dated 03 May 2021.
Publication(s) and related information ATR AOM 2021/05 issue 1 dated 19 April 2021, issue 2 dated 03 May 2021, issue 3 dated 11 May 2021, issue 4 dated 16 March 2022 and issue 5 dated 30 November 2022. ATR OEB 56, issue 3, "Potential temporary loss of all Cockpit Display Systems" dated 24 November 2022. ATR SB ATR42-24-0062 and SB ATR72-24-1032, both dated 01 March 2023. The use of later approved revisions of the above-mentioned documents is acceptable for compliance with the requirements of this AD.
PAD number 23-030
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 07 March 2023 as PAD 23-030 for consultation until 21 March 2023. The Comment Response Document can be found in the EASA Safety Publications Tool, in the compressed (zipped) file attached to the record for this 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.