AD 80-08-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Series Airplanes |
Unsafe Condition
The outboard engine strut diagonal brace forward clevis root area wall thickness may be less than 0.350 inch, which could lead to cracks in the area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the outboard engine strut diagonal brace forward clevis root area wall thickness. If the wall thickness is less than 0.350 inch, perform penetrant inspection for cracks. If cracks are found, replace the brace or rework per Boeing Service Bulletin 747-54-2070 or FAA approval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within 300 landings after the effective date of this AD unless already accomplished
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
All Model 747 series airplanes certificated in all categories equipped with General Electric CF6 or Pratt and Whitney JT9D-3, -7 engines.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.