Superseded by EASA SIB 2009-18
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of MD Helicopters MD900 series should perform a visual inspection of the main rotor blade retention bolt before the first flight of each day, following the procedures outlined in FAA AD 2003-14-51 after meeting its specified requirements. Maintenance organizations should maintain awareness of any updates from MDHI and the FAA regarding this issue. For further information, contact the EASA Airworthiness Directives Focal Point.
Summary
EASA Safety Information Notice No. 2006-08 is an advisory document addressing the failure of the main rotor blade retention bolt (part number 900R310E0001-103) on MD Helicopters, Inc. MD900 series helicopters. The notice highlights previous failures and references FAA Airworthiness Directive 2003-14-51 and MDHI Service Bulletin SB900-092 Rev 1. It aims to raise awareness among flight crews about the issue and recommends specific inspection procedures.
What changed
This notice does not introduce new regulatory requirements but reinforces the need for daily visual inspections of the main rotor blade retention bolt as described in the FAA AD 2003-14-51 and MDHI Service Bulletin SB900-092 Rev 1. It updates operators on recent occurrences of bolt failures and ongoing investigations by MDHI and the FAA.
Why it matters
The failure of the main rotor blade retention bolt poses a significant safety risk to MD900 helicopter operations. Aviation professionals, including operators and maintenance organizations, must be vigilant to detect early signs of bolt failure to prevent potential accidents. Compliance with inspection recommendations ensures continued airworthiness and operational safety.
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