EASA SIB 2008-31
WITHDRAWN - FAA UPN TRANSFERRED TO EASA SUP WEBPAGE
Summary
EASA Safety Information Notice No. 2008-31 is a safety notice addressing Honeywell Model IVA-81A TCAS display indicators that have been improperly overhauled and returned to service. This notice applies to these specific TCAS display indicators held as spares or installed on any Transport Category aircraft. The document references the FAA Unapproved Parts Notification No. 2008-200600159 and aligns with previous FAA and EASA safety communications on the subject.
What Changed
This notice informs stakeholders about the improper overhaul and return to service of Honeywell Model IVA-81A TCAS display indicators, highlighting the associated safety concerns. It consolidates information from the FAA UPN and previous FAA and EASA safety bulletins to raise awareness but does not introduce new regulatory requirements.
Why It Matters
The improper overhaul of TCAS display indicators can compromise the reliability of traffic collision avoidance systems, posing safety risks to aircraft operations. Aviation professionals, including operators and maintenance organizations, need to be aware of these issues to ensure that only properly overhauled and approved parts are used, maintaining compliance and safety standards.
What To Do
Operators and maintenance organizations should review their inventories and installed equipment to identify any Honeywell Model IVA-81A TCAS display indicators affected as per the FAA UPN No. 2008-200600159. They should ensure that no improperly overhauled units are in service or held as spares and contact EASA's Airworthiness Directives, Safety Management and Research Section for further guidance if necessary. No specific compliance deadline is stated.
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