AD 70-01-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Schweizer Aircraft Corporation | 269A | Airworthiness Directives; Hughes Model 269A, 269A-1, 269A-2 and 269B Helicopters |
| aircraft | Schweizer Aircraft Corporation | 269A-1 | Airworthiness Directives; Hughes Model 269A, 269A-1, 269A-2 and 269B Helicopters |
| aircraft | Schweizer Aircraft Corporation | 269B | Airworthiness Directives; Hughes Model 269A, 269A-1, 269A-2 and 269B Helicopters |
Unsafe Condition
Failure of the P/N 269A7506 lateral pitch mixer idler bellcrank assembly due to fatigue cracking could result in loss of lateral pitch control.
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Required Actions
Remove and replace P/N 269A7506 bellcrank assembly with serviceable P/N 269A7506 or P/N 269A7508 units before specified time-in-service limits. Mark removed assemblies to prevent reuse.
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Compliance Time
Prior to accumulation of 900 hours time in service (for assemblies with less than 875 hours on AD effective date) or 25 additional hours time in service (for assemblies with 875+ hours on AD effective date).
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Affected Aircraft
Schweizer Aircraft Corporation Models 269A, 269A-1, 269A-2, and 269B helicopters with P/N 269A7506 lateral pitch mixer idler bellcrank assembly installed.
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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