AD 93-17-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Textron Aviation Inc. | B90 | Airworthiness Directives; Beech Models B90, C90, and C90A Airplanes |
| aircraft | Textron Aviation Inc. | C90 | Airworthiness Directives; Beech Models B90, C90, and C90A Airplanes |
| aircraft | Textron Aviation Inc. | C90A | Airworthiness Directives; Beech Models B90, C90, and C90A Airplanes |
Unsafe Condition
Failure of the leading edge fuel cell nipples caused by cracking and fuel leaks, which could result in an airplane fire.
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Required Actions
Inspect the inboard nipple on the leading edge fuel cell for cracks or fuel leaks in accordance with Part I of Beech SB No. 2475. Replace the fuel interconnect tube assembly in accordance with Part II of the same service bulletin. Special flight permits may be issued under FAR 21.197 and 21.199 to operate to a location where AD requirements can be met.
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Compliance Time
within the next 150 hours time-in-service after the effective date of this AD, unless already accomplished
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Affected Aircraft
Beech Models B90, C90, and C90A airplanes (serial numbers LJ-489 through LJ-1318)
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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