AD 85-02-01
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 pressure regulator O-rings in slides and slide/rafts could result in improper inflation, compromising emergency evacuation capability.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace pressure regulator O-rings in accordance with specified B.F. Goodrich service bulletins. Alternate compliance may be approved by the FAA. Adjustments to compliance times may be permitted upon operator request with substantiating data.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within one year after the effective date of this amendment
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 evacuation slides and slide/rafts, Part Numbers as specified in service bulletins 25-090, 25-084, or 25-088, and those with STCs SA574GL, SA575GL, SA744GL, or SA745GL.
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.