Sofema Aviation Services (www.sassofia.com) looks at the Electrical Wiring Interconnect System EWIS requirements.
According to EASA it is the responsibility of the organization to manage compliance with regulatory requirements and to deliver management of organisational competencies. It is the Operators and Maintenance Organisation Responsibility to comply with the requirements of Electrical Wiring Interconnect Systems working practices and procedures including specifically EWIS training. (For details concerning the requirements of EWIS training please see AMC 20-22).
EWIS Origins
The origins of the requirement for EWIS Training go back to a number of incidents which have had a catastrophic effect on the industry with instances of in-flight smoke and fire events in which contaminants were ignited by electrical faults, which allowed a fire to be sustained and spread. Considerable research was conducted by The FAA and the National Transportation Safety Board (NTSB) together with the European Stake holders.
The outcomes were conclusive and determined the specific need for EWIS Training for example during examination of a number of aircraft, wiring was found to be contaminated with items such as dust, dirt, metal shavings, lavatory waste water, coffee, soft drinks, and napkins. On occasion wire bundles and surrounding areas have been found to be completely covered with dust. EASA the FAA & Industry have realized that current maintenance practices may not be enough to address aging non-structural systems. Sofema Aviation Services based in Sofia deliver regulatory training including EWIS training for Part 145 and MRO’s across a range of regulatory areas, please visit www.sassofia.com for details.
EWIS Questions and Answers
Where will I find the information concerning the Operator and Maintainer requirements?
AMC 20-21 and AMC 20-22 detailed the both the inspection requirements which need to be trained and the training requirements for the for the different groups.
Some aeroplane types are explicitly excluded from the similar FAA rule (FAR 26.11(g)). Are these types also excluded from EASA requirements?
Comment from EASA – No, EASA does not have a “pre-defined” list of excluded aeroplane types (similar to FAR 26.11(g)). On a case-by-case basis, the TC Holders for the affected aeroplanes may ask the Agency to accept a non-compliance with EWIS ICA requirements.
Is EWIS ICA training mandatory?
Yes The Agency (EASA) mandates that 145.A30(h) and its associated AMC together with AMC 145.A.30(e) paragraph 2 should already address the maintenance of staff competence standards.
Where Can I read further about Compliance and Implementation issues?
The following link provide additional guidance information
Sofema Aviation Services & Sofema Online are currently offering EWIS Training both as open, in company and online training if you would like to register participation please email team@sassofia.com
Tags:
EASA, EWIS, Electrical Wiring Interconnect System, EWIS requirements
