Dear Madam/Sir,
Please find attached hereto an EASA Safety Information Bulletin (SIB) which has already been posted on
our web site and can be viewed at https://ad.easa.europa.eu/ad/2018-17 .
EASA ADs and other Safety Publications are available online at http://ad.easa.europa.eu
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EASA SIB No.: 2018-17
Safety Information Bulletin
Airworthiness
SIB No.: 2018-17
Issued: 12 September 2018
Subject: Liquid Penetrant Inspection / Use of Visible Dye Penetrant
Ref. Publications:
Federal Aviation Administration (FAA) Special Airworthiness Information Bulletin (SAIB) CE-18-26
dated 04 September 2018.
Applicability:
All safety critical hardware installed on engines, propellers, and auxiliary power units (APU).
Description:
The FAA has published the referenced SAIB to inform about the risk associated with the use of
visible dye penetrant inspection method under ordinary white light. This method involves the use
of Type II visible penetrant (visible under ordinary white light), ref. Aerospace Material
Specification (AMS) 2644 Inspection Material, Penetrant.
At this time, the safety concern described in this SIB does not warrant the issuance of an
Airworthiness Directive under Commission Regulation (EU) 748/2012, Part 21.A.3B.
Recommendation(s):
EASA endorses the recommendations of FAA SAIB CE-18-26, and considers that they apply to all
safety critical hardware on any engines, propellers and APU, including those of non-US design.
Contact(s):
For further information contact the EASA Safety Information Section, Certification Directorate.
E-mail:
[email protected].
This is information only. Recommendations are not mandatory.
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