AD 94-06-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-300 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Drainage from a fuel line leak at Front Spar Station (FSS) 250.663 could enter the turbine exhaust area, causing an external fire under the wing.
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Required Actions
Modify the leading edge slat access panel and internal structure at FSS 250.663 per Boeing Service Bulletin 737-57-1221 within 24 months after the effective date. An alternative method may be approved by the FAA.
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Compliance Time
Within 24 months after the effective date of this AD
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Affected Aircraft
Boeing Model 737-300, -400, and -500 series airplanes, line position 1001 through 1976 inclusive, 1978 through 2183 inclusive, 2185 through 2186 inclusive, and 2188 through 2193 inclusive
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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