WITHDRAWN - SEE FAA AD 2020-18-20
- Published
AI-generated summary of the official EASA document. Verify against the PDF before acting.
What to do
Operators of affected MD Helicopters models should perform inspections as described in the MD Helicopters Mandatory Service Bulletin referenced in the bulletin. Any findings of delamination or damage should be reported to MD Helicopters using the provided contact information. No mandatory compliance deadline is specified, but proactive inspection is recommended.
Summary
EASA Safety Information Bulletin 2017-02 is an informational document addressing inspection of main rotor blade abrasion strips on MD Helicopters, Inc. models 369D, 369E, 369F, 36D9FF, 500N, and 600N. It highlights reports of delamination and disbonding on low-time main rotor blades and references related service letters and mandatory service bulletins from MD Helicopters and Helicopter Technology Company. The bulletin is issued pending potential FAA Airworthiness Directive action and is not mandatory.
What changed
This bulletin informs operators and maintainers of the identified issue with abrasion strips on certain MD Helicopters main rotor blades and recommends inspections as outlined in the MD Helicopters Mandatory Service Bulletin. It does not introduce new mandatory requirements but serves as a precautionary advisory while the FAA considers formal AD action. The document consolidates previous notices and service information for awareness.
Why it matters
The condition of abrasion strips on main rotor blades is critical for safe helicopter operation. Early detection of delamination or disbonding can prevent potential rotor blade damage or failure. Operators, maintenance organizations, and compliance teams benefit from awareness of this issue to ensure continued airworthiness and to prepare for possible future regulatory mandates.
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