AD 2017-18-13

final rule
Data completeness: 70%

Airworthiness Directives; Agusta S.p.A. Helicopters

AD Number
2017-18-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2017-0308
FR Citation
82 FR 42441

Applicability

TypeManufacturerModelDetails
aircraft Agusta S.p.A. Airworthiness Directives; Agusta S.p.A. Helicopters

Unsafe Condition

A crack in the main rotor blade (part numbers 109-0103-01-7, 109-0103-01-9, or 109-0103-01-115) was not detected during pre-flight inspections, potentially affecting structural integrity and leading to blade failure and loss of control.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Visually inspect the top and bottom surface of each blade for a crack in the area between stations 1550 and 3100 using a 3X or higher power magnifying glass. Replace any cracked blade.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight, unless done within the last 5 hours time-in-service (TIS), and thereafter at intervals not to exceed 5 hours TIS.

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Agusta S.p.A. Model A109A and A109A II helicopters with main rotor blades part numbers 109-0103-01-7, 109-0103-01-9, or 109-0103-01-115.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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