AD 90-13-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
| aircraft | The Boeing Company | 747SR Series | Airworthiness Directives; BOEING Model 747-100, -100B, -200B, -200C, -300, and 747SR Series Airplanes |
Unsafe Condition
Failure of the door 3 evacuation system due to improper dimensions of the door 3 lower liner bungee cord assembly (P/N 3A3382-1) or unmodified BFGoodrich door 3 lower door cover (P/N 5A2789).
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the lower door cover per BFGoodrich Alert Service Bulletin No. 25-229, inspect the bungee cord assembly for proper dimensions (32.00±0.50 inches long and 1/4 inch diameter), replace non-compliant bungee cords before further flight, and identify the reworked cover with a rubber ink stamp 'SB-25-229'.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days after the effective date of this AD (June 29, 1990), and after modification, identify the cover as specified. Alternate compliance may be approved through FAA channels.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747-100, -100B, -200B, -200C, -300, and 747SR series airplanes equipped with BFGoodrich door 3 lower door cover P/N 5A2789 under STC SA886GL or SA887GL.
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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