AD 87-18-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Robinson Helicopter Company | R22 | Airworthiness Directives; ROBINSON HELICOPTER COMPANY Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 ALPHA | Airworthiness Directives; ROBINSON HELICOPTER COMPANY Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 BETA | Airworthiness Directives; ROBINSON HELICOPTER COMPANY Model R22 Series Helicopters |
| aircraft | Robinson Helicopter Company | R22 MARINER | Airworthiness Directives; ROBINSON HELICOPTER COMPANY Model R22 Series Helicopters |
Unsafe Condition
Cracks in the A258-2 upper fitting or A258-3 lower link of the main rotor pitch link assembly A258-1 could result in main rotor pitch control failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Visually inspect main rotor pitch link assembly A258-1 using a 3X magnifying glass. Replace cracked A258-2 upper fitting or A258-1 assembly if cracks are found. Conduct dye penetrant inspection of A258-3 links within 10 hours time in service after AD receipt. Reassemble with precise length tolerance and torque specifications. Perform pre-flight visual checks for cracks during the 10-hour interval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to further flight after the effective date of this AD (April 25, 1988), and within the next 10 hours time in service after receipt of this AD.
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Affected Aircraft
Robinson Helicopter Company Model R22 series helicopters, serial numbers 0580 through 0644, and those with A258-1 main rotor pitch link assemblies replaced between August 15, 1986, and May 7, 1987.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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