AD 80-02-01 R2
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
Failure of the fuel system and unwanted fuel transfer to the auxiliary body fuel tanks due to defective shrouds.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and test the auxiliary body fuel tank installation per Boeing Service Bulletin 727-28-A62 or later FAA-approved revisions. Replace defective shrouds with serviceable Boeing parts or deactivate the system before further flight. Repeat inspections and tests every 1500 flight hours unless deactivated. Reactivate deactivated systems only after repair and reinspection. Install specified final design shrouds to terminate AD requirements.
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Compliance Time
within 600 flight hours from the effective date of this AD unless the initial inspection and test has been accomplished within the past 300 flight hours
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Affected Aircraft
Boeing Model 727 series airplanes certificated in all categories with an operative Boeing-designed auxiliary body fuel system 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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