GM2 MMEL.145 Justification of MMEL items
ED Decision 2014/004/R
USE OF MMEL GUIDANCE BOOK
(a) This guidance material is not exhaustive and relief may be proposed by the applicant for items not listed.
(b) The justification of an MMEL item may be based on the guidance material provided in Appendix 1 to GM1 MMEL.145.
(c) The guidance material provided in Appendix 1 to GM1 MMEL.145 is as an acceptable basis for the development of associated MMEL items justifications. The main purpose of this guidance material is to standardise the level of relief granted in MMELs, in particular when dealing with items that are subject to operational requirements.
(d) This guidance material is not intended to cancel the need to comply with CS MMEL.140 and CS MMEL.145 but is intended to alleviate this task by allowing the applicant to refer to this material as part of the MMEL justifications. The availability of a guidance material for an item does not prevent the applicant to prepare alternate MMEL content.
(e) The guidance material for MMEL items is organised by ATA chapters order and proposes MMEL contents in a five-column format.
(f) Additional interpretative material is proposed under the field ‘Additional considerations’ which is considered as an integral part of the guidance.
(g) References to applicable requirements, when available, are also provided for information purposes only.
(h) Items included in the Appendix 1 to GM1 MMEL.145 marked with the symbol (MC) below the corresponding title are considered to be eligible for MMEL minor change classification in accordance with Part-21.
EASA MMEL Guidance: This material aids in justifying Master Minimum Equipment List items, standardizing relief levels, especially for operational requirements. While not exhaustive, it offers acceptable justification bases organized by ATA chapters. Alternate MMEL content is permitted, and "Additional considerations" are integral. Items marked (MC) may qualify for minor changes.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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