AD 97-08-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 777-200 Series | Airworthiness Directives; Boeing Model 777-200 Series Airplanes |
Unsafe Condition
Fatigue cracking in the bolts that attach the yoke of the forward mount of the engine to the fan case of the engine, which could lead to failure of these bolts and consequent separation of the engine from the wing.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct repetitive visual inspections of the yoke of the forward mounts of certain GE90 engines to detect damaged, missing, or failed attachment bolts or failed engine mount links, and eventually modify those engines by replacing the yoke with a redesigned one to meet damage tolerance standards.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
The actions are required to be accomplished in accordance with the service bulletins described previously.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 777-200 series airplanes powered by General Electric GE90 engines with serial numbers 900-104, -105, -106, -108, -109, -110, or -111.
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.