CS 25.1711 Component identification; EWIS
ED Decision 2008/006/R
(See AMC 25.1711)
(a) EWIS components must be labelled or otherwise identified using a consistent method that facilitates identification of the EWIS component, its function, and its design limitations, if any.
(b) For systems for which redundancy is required either by specific certification requirements, operating rules or by CS 25.1709, concerned EWIS components must be particularly identified with its component part number, function, and separation requirement for bundles;
(1) The identification must be placed along the wire, cable or wire bundles at appropriate intervals and in areas of the aeroplane so they are readily visible to maintenance, repair, or alteration personnel.
(2) If an EWIS component cannot be marked physically, then others means of identification must be provided.
(c) The identifying markings required by sub-paragraphs (a) and (b) must remain legible throughout the expected service life of the EWIS component.
(d) The means used for identifying each EWIS component as required by this paragraph must not have an adverse effect on the performance of that component throughout its expected service life.
(e) Identification for EWIS modifications to the type design must be consistent with the identification scheme of the original type design.
[Amdt 25/5]
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