AD 69-25-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 727-100 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-100C Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727-200F Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727 Series | BOEING Model 727 Series Airplanes |
| aircraft | The Boeing Company | 727C Series | BOEING Model 727 Series Airplanes |
Unsafe Condition
Engine cone bolt failures
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Required Actions
Inspect and replace engine cone bolts in accordance with Boeing Service Bulletin 71-43, Section II, Pages 4, 5, and 6, Steps A through F, or an equivalent procedure approved by the FAA.
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Compliance Time
within the next 500 hours time in service after the effective date of this AD
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Affected Aircraft
Boeing Model 727 series airplanes listed in Boeing Service Bulletin 71-43 dated 10 November 1969
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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