AD 2008-17-51

final rule
Data completeness: 90%

Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters

AD Number
2008-17-51
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2008-1250
FR Citation
73 FR 78931

Applicability

TypeManufacturerModelDetails
aircraft MD Various Airworthiness Directives; MD Helicopters, Inc. Model MD900 Helicopters

Unsafe Condition

In-flight failure of the control cable and loss of yaw control resulting in emergency landings and subsequent damage to the helicopter.

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

Required Actions

Fluorescent magnetic particle inspect the aft threads of the forward directional control cable for a crack and replace the control cable with an airworthy part if a crack is found. If no crack is found, demagnetize the cable threads until a gauss level of +/-3 is reached. Visually inspect the aft cable attach bracket for a crack, interference with movement of the control cable, or deformation of the bracket. Replace the bracket with an airworthy part if any of these conditions exist. Modify the control cable conduit and the rotating cone control rod, and identify the rotating cone control rod with part number 900C2010582-105.

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

Compliance Time

Before further flight

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Affected Aircraft

MD Helicopters, Inc. Model MD900 helicopters.

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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