AD 80-20-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Airplanes |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Airplanes |
Unsafe Condition
Failure of B.F. Goodrich slides or turbofans due to inadequate flapper valve design could result in loss of slide inflation capability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace flapper valves in affected B.F. Goodrich slides on upper deck of Model 747-200F and 747-200C airplanes within 30 days from October 7, 1980. Replace flapper valves in all remaining B.F. Goodrich slides and turbofans by January 1, 1981. Adjustments to compliance times may be requested with substantiating data.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 30 days from the effective date (October 7, 1980) for upper deck slides; prior to January 1, 1981 for remaining slides and turbofans
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 airplanes equipped with B.F. Goodrich slides or turbofans listed in B.F. Goodrich Service Bulletin 25-060 dated July 14, 1980
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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