Airworthiness directives › 2017-18-13
AD 2017-18-13 Airworthiness Directives; Agusta S.p.A. Helicopters
Applicability*9
This AD supersedes AD 2015-22-51, Amendment 39-18386 (81 FR 5037, February 1, 2016).
Compliance
Before further flight, unless already done within the last 5 hours TIS, and thereafter at intervals not to exceed 5 hours TIS: (1) Using a 3X or higher power magnifying glass, visually inspect the top and bottom surface of each blade for a crack in the area between the station at the end of the doublers (station 1550) and the station at the beginning of the abrasion strip (station 3100). (2) If there is a crack, replace the blade before further flight. Replacing the blade with blade P/N 109-0103-01-7, P/N 109-0103-01-9, or P/N 109-0103-01-115 does not constitute terminating action for the repetitive inspections required by this AD.
Required actions
Special flight permits are prohibited.
Unsafe condition
You are responsible for performing each action required by this AD within the specified compliance time unless it has already been accomplished prior to that time.
Affected ADs
This AD defines the unsafe condition as a crack in a blade. This condition could result in failure of a blade and subsequent loss of control of the helicopter.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1