AD 67-22-03
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
Wear and deformation of the main gear downlock rod and its attach bolts may cause bolt rotation, leading to attach bolt failure and out-of-sequence operation of the door sequence valve.
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Required Actions
Inspect main gear downlock rod assemblies for wear and deformation within specified time frames. Replace affected parts before further flight if wear or deformation is found. Modify assemblies per Boeing Service Bulletin 32-123(R-1) within 800 hours' time in service after the effective date.
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Compliance Time
Within the next 50 hours time in service (for airplanes with 800+ hours on the effective date) and within the next 800 hours' time in service after the effective date. Adjustments may be made by FAA upon request with substantiating data.
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Affected Aircraft
Boeing Model 727 Series Airplanes listed in Boeing Service Bulletin No. 32-123(R-1 dated June 5, 1967).
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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