AD 82-04-01
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
Failure of the fairing mounted (off-wing) escape slide inflation firing mechanism to properly deploy and inflate the slides due to improper rigging.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Rig the fairing mounted (off-wing) escape slide inflation firing mechanism per Boeing Alert Service Bulletin 747-25A2581 or later FAA-approved revisions. Ferry aircraft to maintenance base for repair under FAR 21.197 and 21.199. Use alternate means of compliance if approved by FAA.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 1200 hours time-in-service after the effective date of this AD unless already accomplished
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Affected Aircraft
Boeing Model 747 series airplanes, line numbers 147, 149, 154 through 535, and those modified per Boeing Service Bulletin 747-57-2073, 747-57-2086, or equivalent, equipped with fairing mounted (off-wing) escape slides.
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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