AD Amdt-39-13687
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Agusta | S.p.A. Model A109C, A109E, and A109K2 | Airworthiness Directives; Agusta S.p.A. Model A109C, A109E, and A109K2 Helicopters |
Unsafe Condition
Failure of a blade tip cap, excessive vibration, 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
Tap inspect the upper and lower sides of each tip cap for bonding separation between the metal shells and the honeycomb core. Visually inspect the upper and lower sides of each blade tip cap for swelling or deformation. Dye-penetrant inspect the tip cap leading edge along the welded joint line of the upper and lower tip cap skin shells for a crack. Replace the blade if any swelling, deformation, crack, or bonding separation exceeds prescribed limits.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 10 hours time-in-service (TIS), unless accomplished previously, and thereafter at intervals not to exceed 25 hours TIS.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Agusta S.p.A. Model A109C, A109E, and A109K2 helicopters, with main rotor blade part number (P/N) 709-0103-01--all dash numbers, having a serial number (S/N) up to and including S/N 1428 with a prefix of either 'EM-' or 'A5-' installed, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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