AD 2000-25-54

final rule
Data completeness: 70%

Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters

AD Number
2000-25-54
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2000-SW-65-AD
FR Citation
66 FR 10185

Applicability

TypeManufacturerModelDetails
aircraft Agusta S.p.A. Model A109E Airworthiness Directives; Agusta S.p.A. Model A109E Helicopters

Unsafe Condition

Cracked tail rotor blades, which could result in failure of a blade and subsequent loss of control of the helicopter.

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

Required Actions

Visually check both sides of each tail rotor blade before each engine start. Inspect each blade for cracks using a 5-power or higher magnifying glass within 10 hours time-in-service (TIS) and thereafter at intervals not exceeding 10 hours TIS or before the next flight after any abnormal tail rotor vibration. Dye-penetrant inspect each blade for cracks within 25 hours TIS and thereafter at intervals not exceeding 25 hours TIS. Replace any cracked blade with an airworthy blade before further flight.

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

Compliance Time

Before further flight for cracked blades; within 10 hours TIS for magnifying glass inspection; within 25 hours TIS for dye-penetrant inspection.

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

Affected Aircraft

Agusta S.p.A. Model A109E helicopters, part number 109-8132-01-109.

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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