AD 2004-16-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | MD | Various | Airworthiness Directives; MD Helicopters Inc. Model MD900 Helicopters |
Unsafe Condition
Fatigue failure of the piston rod in the spring capsule of the control rod assembly, which could result in failure of the piston rod and subsequent loss of control of the helicopter.
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Required Actions
Install a fail-safe device on the control rod assembly. Perform a daily pre-flight check for bent clips, taut lanyards, and piston rod movement. Replace the control rod assembly with an airworthy one if any of these conditions are found before further flight.
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Compliance Time
Before September 17, 2004, or based on specified hours time-in-service (TIS) of the control rod assembly, whichever occurs first.
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Affected Aircraft
MD Helicopters Inc. Model MD900 helicopters with Fan Input Force Limiting Control Rod Assembly, part number 900C6010239-105 or 900C2010239-107, installed.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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