AD Amdt-39-9132
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747 | Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric CF6-80C2 Engines |
| engine | General Electric | CF6-80C2 | Airworthiness Directives; Boeing Model 747 Series Airplanes Equipped With General Electric CF6-80C2 Engines |
Unsafe Condition
Chafing of the fire extinguishing tubes in the number two engine strut's inboard strut to wing area could cause cracking and hole formation, preventing proper distribution of the fire extinguishing agent during a fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the fire extinguishing system in the number two engine strut to prevent chafing of the fire extinguishing tubes. This includes actions to address chafing in the inboard strut to wing area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 747 series airplanes equipped with General Electric CF6-80C2 engines, specifically those with chafing issues in the number two engine strut's inboard strut to wing area.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.