WITHDRAWN - REPLACED BY EASA AD 2011-0107
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of MBB BK117 C-2 helicopters with optional jettisonable sliding doors should inspect the door installation and apply modifications as described in the Eurocopter Deutschland Alert Service Bulletin MBB BK117 C-2-52A-007 Revision 02. Special attention should be given to door reinstallation procedures after jettisoning, following the Maintenance Manual instructions carefully. There is no mandatory compliance deadline as this is an informational bulletin.
Summary
EASA Safety Information Bulletin 2010-07 is an informational bulletin addressing the unintentional detachment of jettisonable sliding doors on MBB BK117 C-2 helicopters equipped with optional jettisonable sliding doors. The bulletin references Eurocopter Deutschland Alert Service Bulletin MBB BK117 C-2-52A-007 Revision 02, which provides inspection and modification instructions to prevent this issue. This bulletin is not an Airworthiness Directive and does not impose mandatory requirements.
What changed
EASA SIB 2010-07 introduces awareness of a potential issue with the jettison mechanism of sliding doors on MBB BK117 C-2 helicopters, recommending a one-time inspection and installation of modified components such as an emergency release cable, lock release, and cable guide. It does not mandate regulatory action but advises operators to follow the referenced Eurocopter Deutschland service bulletin for preventive measures.
Why it matters
This bulletin is important for operators and maintenance organizations as it highlights a safety concern that could lead to unintended door detachment, which may compromise helicopter safety during operations. Following the recommended inspections and modifications helps prevent incidents and ensures compliance with manufacturer guidance, reducing operational risks and maintenance errors.
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