AD Amdt-39-11228

Recurring final rule
Data completeness: 70%

Airworthiness Directives; MD Helicopters, Inc (MDHI) Model 369D and E Helicopters

AD Number
Amdt-39-11228
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 99-SW-40-AD
FR Citation
64 FR 38817

Applicability

TypeManufacturerModelDetails
aircraft MD Various Airworthiness Directives; MD Helicopters, Inc (MDHI) Model 369D and E Helicopters

Unsafe Condition

Failure of certain fork assemblies could cause loss of a tail rotor 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

Inspect and replace, if necessary, a certain four-bladed tail rotor fork assembly prior to further flight. Conduct repetitive inspections of certain fork assemblies at intervals not exceeding 50 hours time-in-service (TIS), and remove and replace, if necessary, each unairworthy fork assembly with an airworthy one before further flight.

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

Compliance Time

Prior to further flight

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

Affected Aircraft

MD Helicopters, Inc. Model 369D and E 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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