AD Amdt-39-11371

final rule
Data completeness: 70%

Airworthiness Directives; Eurocopter Canada Ltd. Model BO 105 LS A-3 Helicopters

AD Number
Amdt-39-11371
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-SW-56-AD
FR Citation
64 FR 56156

Applicability

TypeManufacturerModelDetails
aircraft Eurocopter Canada Ltd. Model BO 105 LS A-3 Airworthiness Directives; Eurocopter Canada Ltd. Model BO 105 LS A-3 Helicopters

Unsafe Condition

Fatigue failure of the tension-torsion (TT) strap, leading to main rotor blade separation and potential loss of control.

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

Required Actions

Create a component log card or equivalent record to determine the age and number of flights on each TT strap. Inspect and remove unairworthy TT straps as necessary.

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

Compliance Time

Before further flight

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

Affected Aircraft

Eurocopter Canada Ltd. Model BO 105 LS A-3 helicopters.

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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