AD 98-16-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 767-200 Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300 Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
| aircraft | The Boeing Company | 767-300F Series | Airworthiness Directives; Boeing Model 767 Series Airplanes |
Unsafe Condition
Corrosion or plating cracks of the 4330M Steel pin assemblies in the forward trunnion support of the main landing gear (MLG) could cause these assemblies to break and result in collapse of the MLG.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Perform a close visual inspection to detect corrosion or plating cracks of each 4330M Steel pin assembly in the forward trunnion support of the MLG, in accordance with Boeing Alert Service Bulletin 767-57A0047, Revision 1. If corrosion or cracks are found, replace the assembly with a new 15-5PH CRES pin assembly with Class 3 chrome plating prior to further flight. Repeat inspections every 48 months if no issues are found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the later of 4 years since airplane manufacture or MLG overhaul, or 18 months after the AD's effective date (September 4, 1998).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model 767 series airplanes with line positions 1 through 562 inclusive, certificated in any category.
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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