AD 98-06-35
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus Helicopters | SA-366G1 | Airworthiness Directives; Eurocopter France Model SA-366G1 Helicopters |
Unsafe Condition
Delamination of the tail rotor blade Kevlar tie-bar outside certain tolerance limits could result in loss of anti-torque function and subsequent loss of control of the helicopter.
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Required Actions
Inspect each Kevlar tie-bar within 10 hours time-in-service using Eurocopter France Telex Service Bulletin 05.19, paragraph CC. Conduct repetitive inspections every 250 hours time-in-service per Service Bulletin 05.20, Revision 3, paragraph 2.B. Replace the blade with an airworthy one before further flight if delamination is found.
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Compliance Time
Within 10 hours time-in-service (TIS) for the initial inspection and within 250 hours TIS thereafter, with repetitive inspections not to exceed 250 hours TIS.
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Affected Aircraft
Eurocopter France Model SA-366G1 helicopters with tail rotor blades part numbers 365A12-0010-all dash numbers, 365A12-0020-01, 365A33-2131-all dash numbers, or 365A12-0020-03.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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